Upgrading rails

This guide is meant for minor upgrades in the 2.3.x series

1. install latest rails gem: gem install rails --version 2.3.14
2. unfreeze rails in tracks: rake rails:unfreeze
3. freeze new version of rails: rake rails:freeze:gems
4. fix mongrel_workaround in config/initializers: set version of rails to 2.3.14
5. check that tests are passing: rake test; rake cucumber; rake cucumber:selenium