reorganize stylesheet directory structure

app/assets/stylesheets/application.css

@@ -29,6 +29,6 @@
  *
  *= require jquery-ui
  *= require dataTables/bootstrap/3/jquery.dataTables.bootstrap
- *= require_tree .
+ *= require_tree ./main
  *= require_self
  */

app/assets/stylesheets/fa/gl-fa.scss

@@ -0,0 +1,2 @@
+@import "font-awesome-sprockets";
+@import "font-awesome";

app/assets/stylesheets/main/shared.scss

@@ -18,9 +18,6 @@
 @import "bootstrap";
 @import "bootstrap-social";
 
-@import "font-awesome-sprockets";
-@import "font-awesome";
-
 
 html, body {
   width: 100%;

config/initializers/assets.rb

@@ -8,4 +8,4 @@ Rails.application.config.assets.version = '1.0'
 
 # Precompile additional assets.
 # application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
-# Rails.application.config.assets.precompile += %w( search.js )
+Rails.application.config.assets.precompile += %w( fa/gl-fa.css )