Changed icon and name for Workplace

Related #530

app/store/ServicesList.js

@@ -672,9 +672,9 @@ Ext.define('Rambox.store.ServicesList', {
 			,dont_update_unread_from_title: true
 		},
 		{
-			 id: 'Workplace'
+			 id: 'workplace'
 			,logo: 'workplace.png'
-			,name: 'Workplace by Facebook'
+			,name: 'Workplace'
 			,description: 'Connect everyone in your company and turn ideas into action. Through group discussion, a personalised News Feed, and voice and video calling, work together and get more done. Workplace is an ad-free space, separate from your personal Facebook account.'
 			,url: 'https://___.facebook.com/'
 			,type: 'messaging'