moves turbolinks into plugins directory

Author: mwiley

_assets/javascripts/turbolinks.js.coffee renamed to _assets/javascripts/plugins/turbolinks.js.coffee

@@ -9,7 +9,6 @@
   <link rel="alternate" type="application/rss+xml" title="{{ site.title }}" href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}" />
 
   {% stylesheet main %}
-  {% javascript turbolinks %}
   {% javascript main %}
-  
+
 </head>