set default global robot_application on initial load

.gitignore

@@ -152,3 +152,5 @@ nosetests.xml
 .pydevproject
 
 
+
+run-angel-player.app/run-angel-player

angel-player/src/chrome/content/common/global_state.js

@@ -1,6 +1,8 @@
 /* jshint globalstrict: true */
 "use strict";
 
+const robot_application = require('tenshi/common/robot_application');
+
 // Nothing is in here by itself; things get shoved into this module to be
 // stored across pages.
 
@@ -15,3 +17,5 @@ exports.set = function(key, val) {
 exports.get = function(key) {
     return state[key];
 };
+
+exports.set('robot_application', robot_application.CreateEmptyRobotApplication());

angel-player/src/chrome/content/texteditor/editor.html

@@ -12,6 +12,7 @@
             }
         </style>
         <script src="../vendor-js/ace/ace.js" type="text/javascript" charset="utf-8"></script>
+        <script src="../vendor-js/ace/mode-lua.js" type="text/javascript"></script>
         <script type='application/javascript;version=1.7'
                 src='resource://gre/modules/commonjs/toolkit/loader.js'></script>
         <script src="../common/require_stub.js"></script>

angel-player/src/chrome/content/texteditor/editor.js

@@ -37,6 +37,7 @@ exports.init = function(_window) {
   ace = window.ace;
 
   editor = ace.edit("editor");
+  editor.getSession().setMode('ace/mode/lua');
 
   let robotApp = global_state.get('robot_application');
   editor.setValue(robotApp.text_code);