Rely on pty.js, minor updates to area changing logic

core/door.js

@@ -5,7 +5,7 @@ var spawn			= require('child_process').spawn;
 var events			= require('events');
 
 var _				= require('lodash');
-var pty				= require('pty');
+var pty				= require('pty.js');
 
 exports.Door		= Door;
 

core/message_area.js

@@ -75,6 +75,12 @@ function changeCurrentArea(client, areaId, cb) {
 			}
 		],
 		function complete(err) {
+			if(!err) {
+				client.log.info( { areaId : areaId }, 'Current message area changed');
+			} else {
+				client.log.warn( { areaId : areaId, error : err.message }, 'Could not change message area');
+			}
+			
 			cb(err);
 		}
 	);