Add ruby 1.9.3 to gemfile
Merge branch 'master' of github.com:feministy/stack_overflow
Merge branch 'master' of github.com:feministy/stack_overflow
Merge branch 'master' of github.com:feministy/stack_overflow
Added staging.rb file and modified database.yml for staging environment
Merge pull request #25 from feministy/heroku_staging

Heroku staging