v1.0.1

• Improve documentation and make the README CF specific.
  (https://www.pivotaltracker.com/story/show/69192654)
  (https://www.pivotaltracker.com/story/show/73157440)

• Switch to new Cloud Foundry offline dependency framework
  (https://www.pivotaltracker.com/story/show/73384384)
  (https://www.pivotaltracker.com/story/show/73544396)

  (https://www.pivotaltracker.com/story/show/74053110)
  (https://www.pivotaltracker.com/story/show/73723814)

• Allow apps to specify BUNDLE_GEMFILE environment variable
  (https://www.pivotaltracker.com/story/show/73334472)

• Added vendor/cache to .gitignore

• Use Ruby 2.1.1 for packaging

• Improve version imprinting
  (https://www.pivotaltracker.com/story/show/73158908)

• Fix: Offline mode should not attempt to use public networks
  (https://www.pivotaltracker.com/story/show/73420832)

• Fix: Install 12 factor plugins when the user does not provided it

• Fix: do not ignore bin/ dir in rails 4 apps.