Allow for disabling individual languages, closes #66

ftplugin/ember-script.vim

@@ -1,3 +1,5 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'emberscript') == -1
+  
 " Language:    ember-script
 " Maintainer:  heartsentwined <heartsentwined@cogito-lab.com>
 " URL:         http://github.com/heartsentwined/vim-ember-script
@@ -15,3 +17,5 @@ setlocal smartindent
 setlocal formatoptions-=t formatoptions+=croqlj
 setlocal comments=:#
 setlocal commentstring=#\ %s
+
+endif