enable bridge by default

plugins/c9.cli.bridge/bridge.js

@@ -14,7 +14,7 @@ define(function(require, exports, module) {
         var plugin = new Plugin("Ajax.org", main.consumes);
         var emit = plugin.getEmitter();
 
-        var ENABLED = options.startBridge;
+        var ENABLED = options.startBridge !== false;
         var PORT = options.port || 17123;
 
         var stream, api;