add Procfile for heroku web deployment
rename GEMFILE to Gemfile for heroku formatting
rename RAKEFILE to Rakefile to conform to heroku formatting
Merge pull request #24 from tiger-swallowtails-2013/heroku_deployment_attempt

Heroku deployment attempt
Merge branch 'master' of https://github.com/tiger-swallowtails-2013/evently into showing_and_hiding_events

to resolve conflicts