Add .rvmrc file
Fix languages select box in add challenger test
Modify default_scope to use a block
Update to ruby-version file from rvmrc
Seed with all languages
switch to postgresql
pre-compile assets
Add nokogiri to gemfile
Add production assets
Add compass rails 4 git branch
Add haml-rails to Gemfile
Change asset compilation and loading
Add ruby version and rails12factor gem
Fixes #1 - format challenger details output
Fixes #2 - Remove turbolinks to enable chosen.jquery