Many small overall UI improvements

- proxy are now aware of their respective features;
- updated account status info and added also proxy info (especially to show when using an offline copy)
- conditionally enabled different features across the UI, based on user account / proxy available features

frontend/delta/js/Clipperz/PM/Proxy/Proxy.JSON.js

@@ -46,6 +46,20 @@ Clipperz.Base.extend(Clipperz.PM.Proxy.JSON, Clipperz.PM.Proxy, {
 		return this._url;
 	},
 
+	//=========================================================================
+
+	'type': function () {
+		return 'ONLINE';
+	},
+
+	'typeDescription': function () {
+		return 'Online service';
+	},
+
+	'features': function (someFeatures) {
+		return someFeatures;
+	},
+
 	//=========================================================================
 	
 	'_sendMessage': function(aFunctionName, aVersion, someParameters) {