boiler plate GemFile for quick iteration on Heroku apps

Gemfile

source 'https://rubygems.org'

ruby '2.1.1'

gem 'rails',                                "4.0.2"
gem 'turbolinks',                           "~> 2.2.1"
gem 'pg',                                   "~> 0.17.1"

gem 'haml-rails',                           "~> 0.5.3"
gem "bootstrap-sass",                       "~> 3.1.1"
gem "jquery-rails",                         "~> 3.1.0"
gem 'kaminari',                             "~> 0.15.1"
gem "compass-rails",                        "~> 1.1.3"

group :assets do
  gem 'therubyracer',                       "~> 0.12.1"   
  gem "coffee-rails",                       "~> 4.0.1"
  gem 'sass-rails',                         "~> 4.0.1"
  gem 'uglifier',                           "~> 2.4.0"
end

group :production, :staging do
  gem "puma",                               "~> 2.8.1"
  gem 'rails_12factor',                     "~> 0.0.2"
end

group :development do
  gem "guard",                              "~> 2.4.0"
  gem "guard-rspec",                        "~> 4.2.8"
  gem "guard-livereload",                   "~> 2.1.1", require: false
end

group :development, :test do
  gem "thin",                               "~> 1.6.1"
  gem "byebug",                             "~> 2.7.0"
end

group :test do
  gem "factory_girl_rails",                 "~> 4.4.0"
  gem 'rspec-rails',                        "~> 2.14.1"
  gem 'shoulda-matchers',                   "~> 2.5.0"
  gem 'vcr',                                "~> 2.8.0"
  gem 'webmock',                            "< 1.16" #downgrading for vcr
  gem 'simplecov',                          '~> 0.7.1'
end