Converted plugging into a gem:

- Removed unnecessary signature and integer files now that we use OpenSSL
- Added gemspec and version file
- Added Rails initializer
- Added ability to pass s3 key and secret key for those that don't want to create a yml settings file
- Added success_action_status option to form
Use git ls-files on gemspec file
Merge pull request #8 from gabceb/master

Converted plugin into Ruby gem