fix en translation is always used for common, caused by preferences had a stub default preference for common AND egw.includeJS immediatly called callback for a file just sheduled to be loaded, but not yet arrived

phpgwapi/js/jsapi/egw_files.js

@@ -164,10 +164,12 @@ egw.extend('files', egw.MODULE_WND_LOCAL, function(_app, _wnd)
 					i--;	// as index will be incr by for!
 				}
 			}
-			// check if all files already included --> call callback right away
+			// check if all files already included or sheduled to be included --> call callback via egw_LAB.wait
 			if (!_jsFiles.length)
 			{
+				egw_LAB.wait(function(){
 					_callback.call(_context);
+				});
 				return;
 			}
 

phpgwapi/js/jsapi/egw_preferences.js

@@ -24,13 +24,7 @@ egw.extend('preferences', egw.MODULE_GLOBAL, function() {
 	 *
 	 * @access: private, use egw.preferences() or egw.set_perferences()
 	 */
-	var prefs = {
+	var prefs = {};
-		common: { 
-			dateformat: "Y-m-d", 
-			timeformat: 24,
-			lang: "en"
-		}
-	};
 
 	// Return the actual extension
 	return {