Adding thin to all envs and removing old vendor directories
Revert "Adding thin to all envs and removing old vendor directories"

This reverts commit 7caaab638d92a8e0d8208c496b49b244eb6c98a0.
Adding thin to all envs for Heroku
Merge pull request #29 from careful-with-that-axe/gem-switch-for-heroku

Gem switch for heroku