assets precompiled ready to go!
fixed: Gemfile now specifies ruby version 1.9.3 to deploy on heroku
Gemfile now doesn't provide a ruby version
thin gem commented out and suspected to be the reason the app doesn't run on heroku
fixed after bundling
Gemfile added 'ruby '1.9.3''
assets gems added to [:development, :production]
various changes
removed unneeded gems
all gems updated including rails from 4.0.0 to 4.0.1