Move package CSS files to stylesheets directory

src/packages/wrap-guide/src/wrap-guide.coffee

@@ -5,8 +5,6 @@ _ = require 'underscore'
 module.exports =
 class WrapGuide extends View
   @activate: (rootView, state) ->
-    requireStylesheet 'wrap-guide.css'
-
     for editor in rootView.getEditors()
       if rootView.parents('html').length
         @appendToEditorPane(rootView, editor)

src/packages/wrap-guide/stylesheets/wrap-guide.css

@@ -0,0 +1,8 @@
+.wrap-guide {
+  height: 100%;
+  width: 1px;
+  background: rgba(150, 150, 150, .30);
+  z-index: 100;
+  position: absolute;
+  top: 0px;
+}