app/assets/config/manifest.js
//= link_tree ../images
//= link_directory ../javascripts .js
//= link_directory ../javascripts/setup .js
//= link_directory ../stylesheets .css
//= link_directory ../stylesheets/setup .css
//= link_directory ../../../vendor/assets/images
//= link_directory ../../../vendor/assets/javascripts .js
//= link_directory ../../../vendor/assets/javascripts/ace .js
//= link_directory ../../../vendor/assets/stylesheets .css