Some fixes for tutorials:

- Fix tutorials not shown in idots
- Make sure def_tutorials css is loaded for all templates
- Invalidate the tutorials.xet for cache buster

phpgwapi/js/jsapi/app_base.js

@@ -115,6 +115,9 @@ var AppJS = Class.extend(
 				this._init_sidebox(sidebox);
 			}
 		}
+		
+		// Initialize egw tutorial sidebox
+		this.egwTutorial_init();
 	},
 
 	/**
@@ -149,8 +152,7 @@ var AppJS = Class.extend(
 		// Highlights the favorite based on initial list state
 		this.highlight_favorite();
 
-		// Initialize egw tutorial sidebox
-		this.egwTutorial_init();
+		
 	},
 
 	/**
@@ -1015,7 +1017,7 @@ var AppJS = Class.extend(
 
 		// et2 object
 		var etemplate = new etemplate2 (div, false);
-		var template = egw.webserverUrl+'/etemplate/templates/default/egw_tutorial.xet';
+		var template = egw.webserverUrl+'/etemplate/templates/default/egw_tutorial.xet?1';
 
 		this.egwTutorialGetData().then(function(_data){
 			var lang = egw.preference('lang');

phpgwapi/templates/idots/css/traditional.css

@@ -3,6 +3,8 @@
 	allowed attributes: font-family,font-size,color,font-weight
 */
 
+/*@import url("../../default/def_tutorials.css");*/
+
 body
 {
 	overflow-x: hidden;