diff --git a/phpgwapi/js/es6-promise.min.js b/phpgwapi/js/es6-promise.min.js
new file mode 100644
index 0000000000..2d48351584
--- /dev/null
+++ b/phpgwapi/js/es6-promise.min.js
@@ -0,0 +1,9 @@
+/*!
+ * @overview es6-promise - a tiny implementation of Promises/A+.
+ * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors (Conversion to ES6 API by Jake Archibald)
+ * @license   Licensed under MIT license
+ *            See https://raw.githubusercontent.com/jakearchibald/es6-promise/master/LICENSE
+ * @version   3.0.2
+ */
+
+(function(){"use strict";function lib$es6$promise$utils$$objectOrFunction(x){return typeof x==="function"||typeof x==="object"&&x!==null}function lib$es6$promise$utils$$isFunction(x){return typeof x==="function"}function lib$es6$promise$utils$$isMaybeThenable(x){return typeof x==="object"&&x!==null}var lib$es6$promise$utils$$_isArray;if(!Array.isArray){lib$es6$promise$utils$$_isArray=function(x){return Object.prototype.toString.call(x)==="[object Array]"}}else{lib$es6$promise$utils$$_isArray=Array.isArray}var lib$es6$promise$utils$$isArray=lib$es6$promise$utils$$_isArray;var lib$es6$promise$asap$$len=0;var lib$es6$promise$asap$$toString={}.toString;var lib$es6$promise$asap$$vertxNext;var lib$es6$promise$asap$$customSchedulerFn;var lib$es6$promise$asap$$asap=function asap(callback,arg){lib$es6$promise$asap$$queue[lib$es6$promise$asap$$len]=callback;lib$es6$promise$asap$$queue[lib$es6$promise$asap$$len+1]=arg;lib$es6$promise$asap$$len+=2;if(lib$es6$promise$asap$$len===2){if(lib$es6$promise$asap$$customSchedulerFn){lib$es6$promise$asap$$customSchedulerFn(lib$es6$promise$asap$$flush)}else{lib$es6$promise$asap$$scheduleFlush()}}};function lib$es6$promise$asap$$setScheduler(scheduleFn){lib$es6$promise$asap$$customSchedulerFn=scheduleFn}function lib$es6$promise$asap$$setAsap(asapFn){lib$es6$promise$asap$$asap=asapFn}var lib$es6$promise$asap$$browserWindow=typeof window!=="undefined"?window:undefined;var lib$es6$promise$asap$$browserGlobal=lib$es6$promise$asap$$browserWindow||{};var lib$es6$promise$asap$$BrowserMutationObserver=lib$es6$promise$asap$$browserGlobal.MutationObserver||lib$es6$promise$asap$$browserGlobal.WebKitMutationObserver;var lib$es6$promise$asap$$isNode=typeof process!=="undefined"&&{}.toString.call(process)==="[object process]";var lib$es6$promise$asap$$isWorker=typeof Uint8ClampedArray!=="undefined"&&typeof importScripts!=="undefined"&&typeof MessageChannel!=="undefined";function lib$es6$promise$asap$$useNextTick(){return function(){process.nextTick(lib$es6$promise$asap$$flush)}}function lib$es6$promise$asap$$useVertxTimer(){return function(){lib$es6$promise$asap$$vertxNext(lib$es6$promise$asap$$flush)}}function lib$es6$promise$asap$$useMutationObserver(){var iterations=0;var observer=new lib$es6$promise$asap$$BrowserMutationObserver(lib$es6$promise$asap$$flush);var node=document.createTextNode("");observer.observe(node,{characterData:true});return function(){node.data=iterations=++iterations%2}}function lib$es6$promise$asap$$useMessageChannel(){var channel=new MessageChannel;channel.port1.onmessage=lib$es6$promise$asap$$flush;return function(){channel.port2.postMessage(0)}}function lib$es6$promise$asap$$useSetTimeout(){return function(){setTimeout(lib$es6$promise$asap$$flush,1)}}var lib$es6$promise$asap$$queue=new Array(1e3);function lib$es6$promise$asap$$flush(){for(var i=0;i<lib$es6$promise$asap$$len;i+=2){var callback=lib$es6$promise$asap$$queue[i];var arg=lib$es6$promise$asap$$queue[i+1];callback(arg);lib$es6$promise$asap$$queue[i]=undefined;lib$es6$promise$asap$$queue[i+1]=undefined}lib$es6$promise$asap$$len=0}function lib$es6$promise$asap$$attemptVertx(){try{var r=require;var vertx=r("vertx");lib$es6$promise$asap$$vertxNext=vertx.runOnLoop||vertx.runOnContext;return lib$es6$promise$asap$$useVertxTimer()}catch(e){return lib$es6$promise$asap$$useSetTimeout()}}var lib$es6$promise$asap$$scheduleFlush;if(lib$es6$promise$asap$$isNode){lib$es6$promise$asap$$scheduleFlush=lib$es6$promise$asap$$useNextTick()}else if(lib$es6$promise$asap$$BrowserMutationObserver){lib$es6$promise$asap$$scheduleFlush=lib$es6$promise$asap$$useMutationObserver()}else if(lib$es6$promise$asap$$isWorker){lib$es6$promise$asap$$scheduleFlush=lib$es6$promise$asap$$useMessageChannel()}else if(lib$es6$promise$asap$$browserWindow===undefined&&typeof require==="function"){lib$es6$promise$asap$$scheduleFlush=lib$es6$promise$asap$$attemptVertx()}else{lib$es6$promise$asap$$scheduleFlush=lib$es6$promise$asap$$useSetTimeout()}function lib$es6$promise$$internal$$noop(){}var lib$es6$promise$$internal$$PENDING=void 0;var lib$es6$promise$$internal$$FULFILLED=1;var lib$es6$promise$$internal$$REJECTED=2;var lib$es6$promise$$internal$$GET_THEN_ERROR=new lib$es6$promise$$internal$$ErrorObject;function lib$es6$promise$$internal$$selfFulfillment(){return new TypeError("You cannot resolve a promise with itself")}function lib$es6$promise$$internal$$cannotReturnOwn(){return new TypeError("A promises callback cannot return that same promise.")}function lib$es6$promise$$internal$$getThen(promise){try{return promise.then}catch(error){lib$es6$promise$$internal$$GET_THEN_ERROR.error=error;return lib$es6$promise$$internal$$GET_THEN_ERROR}}function lib$es6$promise$$internal$$tryThen(then,value,fulfillmentHandler,rejectionHandler){try{then.call(value,fulfillmentHandler,rejectionHandler)}catch(e){return e}}function lib$es6$promise$$internal$$handleForeignThenable(promise,thenable,then){lib$es6$promise$asap$$asap(function(promise){var sealed=false;var error=lib$es6$promise$$internal$$tryThen(then,thenable,function(value){if(sealed){return}sealed=true;if(thenable!==value){lib$es6$promise$$internal$$resolve(promise,value)}else{lib$es6$promise$$internal$$fulfill(promise,value)}},function(reason){if(sealed){return}sealed=true;lib$es6$promise$$internal$$reject(promise,reason)},"Settle: "+(promise._label||" unknown promise"));if(!sealed&&error){sealed=true;lib$es6$promise$$internal$$reject(promise,error)}},promise)}function lib$es6$promise$$internal$$handleOwnThenable(promise,thenable){if(thenable._state===lib$es6$promise$$internal$$FULFILLED){lib$es6$promise$$internal$$fulfill(promise,thenable._result)}else if(thenable._state===lib$es6$promise$$internal$$REJECTED){lib$es6$promise$$internal$$reject(promise,thenable._result)}else{lib$es6$promise$$internal$$subscribe(thenable,undefined,function(value){lib$es6$promise$$internal$$resolve(promise,value)},function(reason){lib$es6$promise$$internal$$reject(promise,reason)})}}function lib$es6$promise$$internal$$handleMaybeThenable(promise,maybeThenable){if(maybeThenable.constructor===promise.constructor){lib$es6$promise$$internal$$handleOwnThenable(promise,maybeThenable)}else{var then=lib$es6$promise$$internal$$getThen(maybeThenable);if(then===lib$es6$promise$$internal$$GET_THEN_ERROR){lib$es6$promise$$internal$$reject(promise,lib$es6$promise$$internal$$GET_THEN_ERROR.error)}else if(then===undefined){lib$es6$promise$$internal$$fulfill(promise,maybeThenable)}else if(lib$es6$promise$utils$$isFunction(then)){lib$es6$promise$$internal$$handleForeignThenable(promise,maybeThenable,then)}else{lib$es6$promise$$internal$$fulfill(promise,maybeThenable)}}}function lib$es6$promise$$internal$$resolve(promise,value){if(promise===value){lib$es6$promise$$internal$$reject(promise,lib$es6$promise$$internal$$selfFulfillment())}else if(lib$es6$promise$utils$$objectOrFunction(value)){lib$es6$promise$$internal$$handleMaybeThenable(promise,value)}else{lib$es6$promise$$internal$$fulfill(promise,value)}}function lib$es6$promise$$internal$$publishRejection(promise){if(promise._onerror){promise._onerror(promise._result)}lib$es6$promise$$internal$$publish(promise)}function lib$es6$promise$$internal$$fulfill(promise,value){if(promise._state!==lib$es6$promise$$internal$$PENDING){return}promise._result=value;promise._state=lib$es6$promise$$internal$$FULFILLED;if(promise._subscribers.length!==0){lib$es6$promise$asap$$asap(lib$es6$promise$$internal$$publish,promise)}}function lib$es6$promise$$internal$$reject(promise,reason){if(promise._state!==lib$es6$promise$$internal$$PENDING){return}promise._state=lib$es6$promise$$internal$$REJECTED;promise._result=reason;lib$es6$promise$asap$$asap(lib$es6$promise$$internal$$publishRejection,promise)}function lib$es6$promise$$internal$$subscribe(parent,child,onFulfillment,onRejection){var subscribers=parent._subscribers;var length=subscribers.length;parent._onerror=null;subscribers[length]=child;subscribers[length+lib$es6$promise$$internal$$FULFILLED]=onFulfillment;subscribers[length+lib$es6$promise$$internal$$REJECTED]=onRejection;if(length===0&&parent._state){lib$es6$promise$asap$$asap(lib$es6$promise$$internal$$publish,parent)}}function lib$es6$promise$$internal$$publish(promise){var subscribers=promise._subscribers;var settled=promise._state;if(subscribers.length===0){return}var child,callback,detail=promise._result;for(var i=0;i<subscribers.length;i+=3){child=subscribers[i];callback=subscribers[i+settled];if(child){lib$es6$promise$$internal$$invokeCallback(settled,child,callback,detail)}else{callback(detail)}}promise._subscribers.length=0}function lib$es6$promise$$internal$$ErrorObject(){this.error=null}var lib$es6$promise$$internal$$TRY_CATCH_ERROR=new lib$es6$promise$$internal$$ErrorObject;function lib$es6$promise$$internal$$tryCatch(callback,detail){try{return callback(detail)}catch(e){lib$es6$promise$$internal$$TRY_CATCH_ERROR.error=e;return lib$es6$promise$$internal$$TRY_CATCH_ERROR}}function lib$es6$promise$$internal$$invokeCallback(settled,promise,callback,detail){var hasCallback=lib$es6$promise$utils$$isFunction(callback),value,error,succeeded,failed;if(hasCallback){value=lib$es6$promise$$internal$$tryCatch(callback,detail);if(value===lib$es6$promise$$internal$$TRY_CATCH_ERROR){failed=true;error=value.error;value=null}else{succeeded=true}if(promise===value){lib$es6$promise$$internal$$reject(promise,lib$es6$promise$$internal$$cannotReturnOwn());return}}else{value=detail;succeeded=true}if(promise._state!==lib$es6$promise$$internal$$PENDING){}else if(hasCallback&&succeeded){lib$es6$promise$$internal$$resolve(promise,value)}else if(failed){lib$es6$promise$$internal$$reject(promise,error)}else if(settled===lib$es6$promise$$internal$$FULFILLED){lib$es6$promise$$internal$$fulfill(promise,value)}else if(settled===lib$es6$promise$$internal$$REJECTED){lib$es6$promise$$internal$$reject(promise,value)}}function lib$es6$promise$$internal$$initializePromise(promise,resolver){try{resolver(function resolvePromise(value){lib$es6$promise$$internal$$resolve(promise,value)},function rejectPromise(reason){lib$es6$promise$$internal$$reject(promise,reason)})}catch(e){lib$es6$promise$$internal$$reject(promise,e)}}function lib$es6$promise$enumerator$$Enumerator(Constructor,input){var enumerator=this;enumerator._instanceConstructor=Constructor;enumerator.promise=new Constructor(lib$es6$promise$$internal$$noop);if(enumerator._validateInput(input)){enumerator._input=input;enumerator.length=input.length;enumerator._remaining=input.length;enumerator._init();if(enumerator.length===0){lib$es6$promise$$internal$$fulfill(enumerator.promise,enumerator._result)}else{enumerator.length=enumerator.length||0;enumerator._enumerate();if(enumerator._remaining===0){lib$es6$promise$$internal$$fulfill(enumerator.promise,enumerator._result)}}}else{lib$es6$promise$$internal$$reject(enumerator.promise,enumerator._validationError())}}lib$es6$promise$enumerator$$Enumerator.prototype._validateInput=function(input){return lib$es6$promise$utils$$isArray(input)};lib$es6$promise$enumerator$$Enumerator.prototype._validationError=function(){return new Error("Array Methods must be provided an Array")};lib$es6$promise$enumerator$$Enumerator.prototype._init=function(){this._result=new Array(this.length)};var lib$es6$promise$enumerator$$default=lib$es6$promise$enumerator$$Enumerator;lib$es6$promise$enumerator$$Enumerator.prototype._enumerate=function(){var enumerator=this;var length=enumerator.length;var promise=enumerator.promise;var input=enumerator._input;for(var i=0;promise._state===lib$es6$promise$$internal$$PENDING&&i<length;i++){enumerator._eachEntry(input[i],i)}};lib$es6$promise$enumerator$$Enumerator.prototype._eachEntry=function(entry,i){var enumerator=this;var c=enumerator._instanceConstructor;if(lib$es6$promise$utils$$isMaybeThenable(entry)){if(entry.constructor===c&&entry._state!==lib$es6$promise$$internal$$PENDING){entry._onerror=null;enumerator._settledAt(entry._state,i,entry._result)}else{enumerator._willSettleAt(c.resolve(entry),i)}}else{enumerator._remaining--;enumerator._result[i]=entry}};lib$es6$promise$enumerator$$Enumerator.prototype._settledAt=function(state,i,value){var enumerator=this;var promise=enumerator.promise;if(promise._state===lib$es6$promise$$internal$$PENDING){enumerator._remaining--;if(state===lib$es6$promise$$internal$$REJECTED){lib$es6$promise$$internal$$reject(promise,value)}else{enumerator._result[i]=value}}if(enumerator._remaining===0){lib$es6$promise$$internal$$fulfill(promise,enumerator._result)}};lib$es6$promise$enumerator$$Enumerator.prototype._willSettleAt=function(promise,i){var enumerator=this;lib$es6$promise$$internal$$subscribe(promise,undefined,function(value){enumerator._settledAt(lib$es6$promise$$internal$$FULFILLED,i,value)},function(reason){enumerator._settledAt(lib$es6$promise$$internal$$REJECTED,i,reason)})};function lib$es6$promise$promise$all$$all(entries){return new lib$es6$promise$enumerator$$default(this,entries).promise}var lib$es6$promise$promise$all$$default=lib$es6$promise$promise$all$$all;function lib$es6$promise$promise$race$$race(entries){var Constructor=this;var promise=new Constructor(lib$es6$promise$$internal$$noop);if(!lib$es6$promise$utils$$isArray(entries)){lib$es6$promise$$internal$$reject(promise,new TypeError("You must pass an array to race."));return promise}var length=entries.length;function onFulfillment(value){lib$es6$promise$$internal$$resolve(promise,value)}function onRejection(reason){lib$es6$promise$$internal$$reject(promise,reason)}for(var i=0;promise._state===lib$es6$promise$$internal$$PENDING&&i<length;i++){lib$es6$promise$$internal$$subscribe(Constructor.resolve(entries[i]),undefined,onFulfillment,onRejection)}return promise}var lib$es6$promise$promise$race$$default=lib$es6$promise$promise$race$$race;function lib$es6$promise$promise$resolve$$resolve(object){var Constructor=this;if(object&&typeof object==="object"&&object.constructor===Constructor){return object}var promise=new Constructor(lib$es6$promise$$internal$$noop);lib$es6$promise$$internal$$resolve(promise,object);return promise}var lib$es6$promise$promise$resolve$$default=lib$es6$promise$promise$resolve$$resolve;function lib$es6$promise$promise$reject$$reject(reason){var Constructor=this;var promise=new Constructor(lib$es6$promise$$internal$$noop);lib$es6$promise$$internal$$reject(promise,reason);return promise}var lib$es6$promise$promise$reject$$default=lib$es6$promise$promise$reject$$reject;var lib$es6$promise$promise$$counter=0;function lib$es6$promise$promise$$needsResolver(){throw new TypeError("You must pass a resolver function as the first argument to the promise constructor")}function lib$es6$promise$promise$$needsNew(){throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.")}var lib$es6$promise$promise$$default=lib$es6$promise$promise$$Promise;function lib$es6$promise$promise$$Promise(resolver){this._id=lib$es6$promise$promise$$counter++;this._state=undefined;this._result=undefined;this._subscribers=[];if(lib$es6$promise$$internal$$noop!==resolver){if(!lib$es6$promise$utils$$isFunction(resolver)){lib$es6$promise$promise$$needsResolver()}if(!(this instanceof lib$es6$promise$promise$$Promise)){lib$es6$promise$promise$$needsNew()}lib$es6$promise$$internal$$initializePromise(this,resolver)}}lib$es6$promise$promise$$Promise.all=lib$es6$promise$promise$all$$default;lib$es6$promise$promise$$Promise.race=lib$es6$promise$promise$race$$default;lib$es6$promise$promise$$Promise.resolve=lib$es6$promise$promise$resolve$$default;lib$es6$promise$promise$$Promise.reject=lib$es6$promise$promise$reject$$default;lib$es6$promise$promise$$Promise._setScheduler=lib$es6$promise$asap$$setScheduler;lib$es6$promise$promise$$Promise._setAsap=lib$es6$promise$asap$$setAsap;lib$es6$promise$promise$$Promise._asap=lib$es6$promise$asap$$asap;lib$es6$promise$promise$$Promise.prototype={constructor:lib$es6$promise$promise$$Promise,then:function(onFulfillment,onRejection){var parent=this;var state=parent._state;if(state===lib$es6$promise$$internal$$FULFILLED&&!onFulfillment||state===lib$es6$promise$$internal$$REJECTED&&!onRejection){return this}var child=new this.constructor(lib$es6$promise$$internal$$noop);var result=parent._result;if(state){var callback=arguments[state-1];lib$es6$promise$asap$$asap(function(){lib$es6$promise$$internal$$invokeCallback(state,child,callback,result)})}else{lib$es6$promise$$internal$$subscribe(parent,child,onFulfillment,onRejection)}return child},"catch":function(onRejection){return this.then(null,onRejection)}};function lib$es6$promise$polyfill$$polyfill(){var local;if(typeof global!=="undefined"){local=global}else if(typeof self!=="undefined"){local=self}else{try{local=Function("return this")()}catch(e){throw new Error("polyfill failed because global object is unavailable in this environment")}}var P=local.Promise;if(P&&Object.prototype.toString.call(P.resolve())==="[object Promise]"&&!P.cast){return}local.Promise=lib$es6$promise$promise$$default}var lib$es6$promise$polyfill$$default=lib$es6$promise$polyfill$$polyfill;var lib$es6$promise$umd$$ES6Promise={Promise:lib$es6$promise$promise$$default,polyfill:lib$es6$promise$polyfill$$default};if(typeof define==="function"&&define["amd"]){define(function(){return lib$es6$promise$umd$$ES6Promise})}else if(typeof module!=="undefined"&&module["exports"]){module["exports"]=lib$es6$promise$umd$$ES6Promise}else if(typeof this!=="undefined"){this["ES6Promise"]=lib$es6$promise$umd$$ES6Promise}lib$es6$promise$polyfill$$default()}).call(this);
\ No newline at end of file
diff --git a/phpgwapi/js/jsapi/app_base.js b/phpgwapi/js/jsapi/app_base.js
index 166061bd33..34e3862c4b 100644
--- a/phpgwapi/js/jsapi/app_base.js
+++ b/phpgwapi/js/jsapi/app_base.js
@@ -14,7 +14,8 @@
 "use strict";
 
 /*egw:uses
-        egw_inheritance;
+	egw_inheritance;
+	/phpgwapi/js/es6-promise.min.js;
 */
 
 /**
@@ -147,7 +148,7 @@ var AppJS = Class.extend(
 
 		// Highlights the favorite based on initial list state
 		this.highlight_favorite();
-		
+
 		// Initialize egw tutorial sidebox
 		this.egwTutorial_init();
 	},
@@ -961,7 +962,7 @@ var AppJS = Class.extend(
 	
 	/**
 	 * Get json data for videos from the given url
-	 * 
+	 *
 	 * @return {Promise, object} return Promise, json object as resolved result and error message in case of failure
 	 */
 	egwTutorialGetData: function(){
@@ -975,23 +976,23 @@ var AppJS = Class.extend(
 			}).sendRequest();
 		});
 	},
-	
+
 	/**
 	 * Create and Render etemplate2 for egroupware tutorial
 	 * sidebox option. The .xet file is stored in etemplate/templates/default/egw_tutorials
-	 * 
+	 *
 	 * @description tutorials json object should have the following structure:
 	 *	object:
 	 *		{
 	 *			[app name]:{
 	 *				[language tag]:[
-	 *					{src:"",thumbnail:"",title:"",desc:""}		
+	 *					{src:"",thumbnail:"",title:"",desc:""}
 	 *				]
 	 *			}
 	 *		}
-	 *	
+	 *
 	 *	*Note: "desc" and "title" are optional attributes, which "desc" would appears as tooltip for the video.
-	 *	
+	 *
 	 *	example:
 	 *		{
 	 *			"mail":{
@@ -1011,18 +1012,18 @@ var AppJS = Class.extend(
 		//DOM container
 		var div = document.getElementById('egw_tutorial_'+egw.app_name()+'_sidebox');
 		if (!div) return;
-		
+
 		// et2 object
 		var etemplate = new etemplate2 (div, false);
 		var template = egw.webserverUrl+'/etemplate/templates/default/egw_tutorial.xet';
-		
+
 		this.egwTutorialGetData().then(function(_data){
 			var lang = egw.preference('lang');
 			var content = {content:{list:[]}};
 			if (_data && _data[egw.app_name()])
 			{
 				if (!_data[egw.app_name()][lang]) lang = 'en';
-				if (typeof _data[egw.app_name()][lang] !='undefined' 
+				if (typeof _data[egw.app_name()][lang] !='undefined'
 					&& _data[egw.app_name()][lang].length > 0)
 				{
 					for (var i=0;i < _data[egw.app_name()][lang].length;i++)
@@ -1031,7 +1032,7 @@ var AppJS = Class.extend(
 						_data[egw.app_name()][lang][i]['onclick'] = 'app.'+egw.app_name()+'.egwTutorialPopup("'+tuid+'")';
 					}
 					content.content.list = _data[egw.app_name()][lang];
-					
+
 					if (template.indexOf('.xet') >0)
 					{
 						etemplate.load ('',template , content, function(){});
@@ -1041,13 +1042,13 @@ var AppJS = Class.extend(
 						etemplate.load (template, '', content);
 					}
 				}
-			}	
+			}
 		},
 		function(_err){
 			console.log(_err);
 		});
 	},
-	
+
 	/**
 	 * Open popup to show given tutorial id
 	 * @param {string} _tuid tutorial object id