Re-add 'af' gem to Gemfile for now
Fix dependency issue (at last!)

I've specified the version for several gems in the Gemfile, which stops
Bundler from hanging infinitely on 'Resolving Dependencies'
Added region option to S3. Fixes #90
Merge pull request #92 from Joshua-Anderson/s3-region

Added region option to S3. Fixes #90
Append .git to generated Heroku Buildpack URLS

This fixes issue #85
Add Gemfile.lock

This *should* prevent future dependency issues.
Updated Gemfile.lock
Revert "Add Gemfile.lock"

This reverts commit e1ebb2b06b2aad3b7ae4a4b9743d697a3264be1e.

Conflicts:
	Gemfile.lock
Test against MRI 2.1.0