Comment out rtl direction by default

Author: lord

source/stylesheets/screen.css.scss

@@ -2,7 +2,7 @@
 @import 'normalize';
 @import 'variables';
 @import 'icon-font';
-@import 'rtl';
+// @import 'rtl'; // uncomment to switch to RTL format
 
 /*
 Copyright 2008-2013 Concur Technologies, Inc.