Updated travis.yml
Updated travis.yml
Update travis.yml and added database.yml.travis
Updated README to include Travis CI link
Updated README
Added feature spec for admin subject create
Quizzes are now shuffled
Edited specs
Added .rspec file to display only documentation with color
Added carrierwave and fog to Gemfile
Implemented carrierwave uploader and model integration
Implemented PDF upload
Precompile for heroku push
Added aws integration for faster downloading