Added unicorn and capistrano to Gemfile
Default production db name is ok_api
Unicorn config
Capistrano 3.x deployment config
cap task to help mysql2 gem build correctly
Patched capistrano to allow repo subdirectory deploys (git only)
Log capistrano invocations
Remove absolute paths from Gemfile:

An absolute path in the lock file is not portable
Bump openkit client gem
Using published client gem in integration tests
mysql2 gem being finicky
Removed alias 'debugger' for 'byebug'
Added db roles
Added cap tasks to start, stop, and upgrade unicorn