Meta+s triggers save on Editor.

Still can't save buffers that don't have a url.

src/atom/editor.coffee

@@ -7,21 +7,30 @@ module.exports =
 class Editor
   aceEditor: null
   buffer: null
+  editorElement: null
 
   constructor: (url) ->
     @buffer = new Buffer(url)
     @buildAceEditor()
+    $(document).keydown (event) =>
+      if String.fromCharCode(event.which) == 'S' and event.metaKey
+        @save()
+
 
   destroy: ->
     @aceEditor.destroy()
 
   buildAceEditor: ->
-    editorElement = $("<div class='editor'>")
-    $('#main').append(editorElement)
-    @aceEditor = ace.edit editorElement[0]
+    @editorElement = $("<div class='editor'>")
+    $('#main').append(@editorElement)
+    @aceEditor = ace.edit @editorElement[0]
     @aceEditor.setSession(new EditSession(@buffer.aceDocument))
     @aceEditor.setTheme(require "ace/theme/twilight")
 
   getAceSession: ->
     @aceEditor.getSession()
 
+
+  save: ->
+    @buffer.save()
+

src/atom/window.coffee

@@ -24,9 +24,6 @@ windowAdditions =
   onerror: ->
     @showConsole true
 
-  handleKeyEvent: ->
-    null
-
   triggerEvent: ->
     null