Show service on logo dbl click

Fixes #377

app/view/main/Main.js

@@ -215,6 +215,7 @@ Ext.define('Rambox.view.main.Main', {
 					}
 					,listeners: {
 						 edit: 'onRenameService'
+						,rowdblclick: 'showServiceTab'
 					}
 				}
 			]

app/view/main/MainController.js

@@ -36,6 +36,12 @@ Ext.define('Rambox.view.main.MainController', {
 		store.resumeEvent('remove');
 	}
 
+	,showServiceTab: function( grid, record, tr, rowIndex, e ) {
+		if ( e.position.colIdx === 0 ) { // Service Logo
+			Ext.getCmp('tab_'+record.get('id')).show();
+		}
+	}
+
 	,onRenameService: function(editor, e) {
 		var me = this;