Removed old gems for css and js

Gemfile.lock

@@ -1,13 +1,3 @@
-GIT
-  remote: git://github.com/rweng/jquery-datatables-rails.git
-  revision: 938c28d3e9d9acc6f22d73bec7ee0766197aaa03
-  specs:
-    jquery-datatables-rails (3.2.0)
-      actionpack (>= 3.1)
-      jquery-rails
-      railties (>= 3.1)
-      sass-rails
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -48,8 +38,6 @@ GEM
       tzinfo (~> 1.1)
     arel (6.0.0)
     bcrypt (3.1.10)
-    bootstrap-sass (2.3.2.0)
-      sass (~> 3.2)
     builder (3.2.2)
     cancan (1.6.10)
     coffee-rails (4.0.1)
@@ -79,8 +67,6 @@ GEM
       rails-dom-testing (~> 1.0)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jquery-ui-rails (5.0.3)
-      railties (>= 3.2.16)
     json (1.8.2)
     loofah (2.0.1)
       nokogiri (>= 1.5.9)
@@ -172,14 +158,11 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bootstrap-sass (= 2.3.2.0)
   cancan
   coffee-rails (~> 4.0.0)
   devise
   jbuilder (~> 2.0)
-  jquery-datatables-rails!
   jquery-rails
-  jquery-ui-rails
   mysql2
   pg
   puma