Trigger grammars-loaded event on syntax

src/app/editor.coffee

@@ -404,7 +404,7 @@ class Editor extends View
       @gutter.widthChanged = (newWidth) =>
         @scrollView.css('left', newWidth + 'px')
 
-      rootView?.on 'grammars-loaded', =>
+      syntax.on 'grammars-loaded', =>
         @reloadGrammar()
         for session in @editSessions
           session.reloadGrammar() unless session is @activeEditSession

src/app/load-text-mate-packages-task.coffee

@@ -12,7 +12,7 @@ class LoadTextMatePackagesTask extends Task
   loadNextPackage: ->
     unless @packages.length
       @terminate()
-      rootView.trigger 'grammars-loaded'
+      syntax.trigger 'grammars-loaded'
       return
 
     @package = @packages.shift()

src/app/syntax.coffee

@@ -3,6 +3,7 @@ jQuery = require 'jquery'
 Specificity = require 'specificity'
 {$$} = require 'space-pen'
 fs = require 'fs'
+EventEmitter = require 'event-emitter'
 
 module.exports =
 class Syntax
@@ -104,3 +105,5 @@ class Syntax
       deepestChild[0]
     else
       element[0]
+
+_.extend(Syntax.prototype, EventEmitter)