complete Gemfile with fontawesome-rails and sprockets-rails

Gemfile

source 'https://rubygems.org'
ruby '2.1.2'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.1.6'
# Use PostgreSQL as the database for Active Record
gem 'pg'

## Assets
gem "sprockets-rails", "2.1.3"
# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.3'
# Twitter Bootstrap 
gem 'less-rails-bootstrap'
gem 'font-awesome-rails'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .js.coffee assets and views
gem 'coffee-rails', '~> 4.0.0'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
gem 'therubyracer',  platforms: :ruby
# Use jquery as the JavaScript library
gem 'jquery-rails'
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
gem 'turbolinks'
gem 'jquery-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

group :development do
  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
  gem 'spring'
  gem 'better_errors'
  gem 'binding_of_caller'
  gem 'quiet_assets'
  gem 'pry-rails'
  gem 'bullet'
  gem 'rack-mini-profiler'
  gem 'rails_best_practices'
end

# FB Authentication
gem 'omniauth-facebook'
gem 'koala'

# Server components
gem 'puma'
gem 'foreman'

# various gems
gem 'icalendar'
gem 'draper'
gem 'cells'
gem 'utf8-cleaner'
gem 'lazy_high_charts'
gem 'ruby-progressbar'
gem 'rails-env-favicon'
gem 'imgkit'

group :development, :test do
  gem 'rspec-rails'
  gem 'rspec-cells'
end

group :production do
  # heroku specific
  gem 'rails_12factor'
  gem 'rails_serve_static_assets'
  gem 'sprockets_better_errors'
  gem 'redis'
  gem 'redis-rails'
  
  # monitoring
  gem 'rollbar', '~> 1.0.0'
  gem 'newrelic_rpm'
end

# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'

# Use unicorn as the app server
# gem 'unicorn'

# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development

# Use debugger
# gem 'debugger', group: [:development, :test]

Gemfile with sass

Gems included by the bundle:
  * actionmailer (4.1.6)
  * actionpack (4.1.6)
  * actionview (4.1.6)
  * activemodel (4.1.6)
  * activerecord (4.1.6)
  * activesupport (4.1.6)
  * addressable (2.3.6)
  * arel (5.0.1.20140414130214)
  * awesome_print (1.2.0)
  * better_errors (2.0.0)
  * binding_of_caller (0.7.2)
  * bootstrap-sass (3.2.0.2)
  * builder (3.2.2)
  * bullet (4.13.2)
  * bundler (1.7.3)
  * cells (3.11.2)
  * code_analyzer (0.4.5)
  * coderay (1.1.0)
  * coffee-rails (4.0.1)
  * coffee-script (2.3.0)
  * coffee-script-source (1.8.0)
  * colored (1.2)
  * debug_inspector (0.0.2)
  * diff-lcs (1.2.5)
  * dotenv (0.11.1)
  * dotenv-deployment (0.0.2)
  * draper (1.4.0)
  * erubis (2.7.0)
  * execjs (2.2.1)
  * faraday (0.9.0)
  * font-awesome-rails (4.2.0.0)
  * foreman (0.75.0)
  * hash-deep-merge (0.1.1)
  * hashie (3.3.1)
  * hike (1.2.3)
  * i18n (0.6.11)
  * icalendar (2.1.2)
  * imgkit (1.4.1)
  * jbuilder (2.1.3)
  * jquery-rails (3.1.2)
  * jquery-turbolinks (2.1.0)
  * json (1.8.1)
  * jwt (1.0.0)
  * koala (1.10.1)
  * lazy_high_charts (1.5.4)
  * libv8 (3.16.14.7)
  * mail (2.6.1)
  * method_source (0.8.2)
  * mime-types (2.3)
  * minitest (5.4.1)
  * multi_json (1.10.1)
  * multi_xml (0.5.5)
  * multipart-post (2.0.0)
  * newrelic_rpm (3.9.4.245)
  * oauth2 (1.0.0)
  * omniauth (1.2.2)
  * omniauth-facebook (2.0.0)
  * omniauth-oauth2 (1.2.0)
  * pg (0.17.1)
  * pry (0.10.1)
  * pry-rails (0.3.2)
  * puma (2.9.1)
  * quiet_assets (1.0.3)
  * rack (1.5.2)
  * rack-mini-profiler (0.9.2)
  * rack-test (0.6.2)
  * rails (4.1.6)
  * rails-env-favicon (0.0.5)
  * rails_12factor (0.0.2)
  * rails_best_practices (1.15.4)
  * rails_serve_static_assets (0.0.2)
  * rails_stdout_logging (0.0.3)
  * railties (4.1.6)
  * rake (10.3.2)
  * rdoc (4.1.2)
  * redis (3.1.0)
  * redis-actionpack (4.0.0)
  * redis-activesupport (4.0.0)
  * redis-rack (1.5.0)
  * redis-rails (4.0.0)
  * redis-store (1.1.4)
  * ref (1.0.5)
  * request_store (1.1.0)
  * require_all (1.3.2)
  * rollbar (1.0.1)
  * rspec-cells (0.2.2)
  * rspec-core (3.1.3)
  * rspec-expectations (3.1.1)
  * rspec-mocks (3.1.0)
  * rspec-rails (3.1.0)
  * rspec-support (3.1.0)
  * ruby-progressbar (1.5.1)
  * sass (3.2.19)
  * sass-rails (4.0.3)
  * sdoc (0.4.1)
  * sexp_processor (4.4.4)
  * slop (3.6.0)
  * spring (1.1.3)
  * sprockets (2.11.0)
  * sprockets-rails (2.1.4)
  * sprockets_better_errors (0.0.4)
  * therubyracer (0.12.1)
  * thor (0.19.1)
  * thread_safe (0.3.4)
  * tilt (1.4.1)
  * tinycon-rails (0.0.1)
  * turbolinks (2.3.0)
  * tzinfo (1.2.2)
  * uber (0.0.8)
  * uglifier (2.5.3)
  * uniform_notifier (1.6.2)
  * utf8-cleaner (0.0.9)