Switching to PostgreSQL.
Adds CloudFoundry config.
Ignore Asset Pipeline-generated files.
Introducing Bitters.
Adds Photo Gride to Styleguide.
Introducing RSpec 3.1.0.
Adds /photos index.
Adds Photo model and thumbnails 'scope.'
Photo grid rendering from Photo models.
Introducing Uglifier.
Fixing .cfignore.
Fixing .gitignore.
Enables a local copy to be run in production mode.
Recording S3 credentials.
Enables runtime compile as precompile doesn't seem to be working.
Renames Photo#thumbnail_url to #thumbnail_path.
Introducing dotenv.
Serves Photo.thumbnails from local filesystem (for now).
Merge branch 'feature/simple-grid-of-pictures--78569716'

[finishes #78569716]
Introducing Paperclip.