Left file: appwork-v1_3_1/rails-starter/app/assets/config/manifest.js  
Right file: appwork-v1_4_0/rails-turbolinks-starter/app/assets/config/manifest.js  

//= link_tree ../images	=	//= link_tree ../images
//= link_directory ../javascripts .js	+-
//= link_directory ../stylesheets .css	=	//= link_directory ../stylesheets .css