Upgraded Rails to 2.3.15 - fixes security vulnerabilities.
Fixed rake: added rdoc to Gemfile, fixed Rakefile.
Added capistrano gem for deployment.
Fixed sqlite3 in Gemfile, don't need sqlite3-ruby anymore, sqlite3 replaces it.
Gemfile: only install capistrano in :development. Removed capistrano-colors since it's been merged into newer versions of capistrano.