refactored commit show controller
added rspec and commit controller spec file
added faker, capybara, factory girl, selenium, renamed controller tester
renamed commits controller spec file
added additional validations to commit model, and tests
added create commit model, edited rake task and hook file to prepare params for creator
added after save methods for commit creator, added tests
commit creator finished
updated rakefiles
Merge pull request #126 from mud-turtles-2014/refactor_controller

Refactor controller