Remove jbuilder gem. Fixes #125

Gemfile

@@ -17,8 +17,6 @@ gem 'coffee-rails', '~> 4.1.0'
 gem 'jquery-rails'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem 'turbolinks'
-# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.0'
 # bundle exec rake doc:rails generates the API under doc/api.
 gem 'sdoc', '~> 0.4.0', group: :doc
 gem 'devise'

Gemfile.lock

@@ -141,9 +141,6 @@ GEM
       i18n
       term-ansicolor
       terminal-table (>= 1.5.1)
-    jbuilder (2.3.1)
-      activesupport (>= 3.0.0, < 5)
-      multi_json (~> 1.2)
     jquery-rails (4.0.4)
       rails-dom-testing (~> 1.0)
       railties (>= 4.2.0)
@@ -312,7 +309,6 @@ DEPENDENCIES
   factory_girl_rails
   foundation-rails
   i18n-tasks
-  jbuilder (~> 2.0)
   jquery-rails
   launchy
   letter_opener_web (~> 1.2.0)