Adding image_url attribute to bills
Adding cucumber to Guardfile
Merge branch 'image_url'
Merge branch 'master' of github.com:thoughtworks/billbo
[+Vivi] Acceptance test steps for bill attachment
Adding missing files for upload bill acceptance test
Fixing broken test for bill create
[+Gonzalo] Apply carrierwave to upload files in google drive.
Fixing test to upload to file storage instead of google drive.
Refactoring file uploader behaivor.
Removing not required files
Added check out bill information scenario on bill.feature
Adding file uploader spec.
Refactoring the way of managing files in tests to use FactoryGirl.
Deleting not neccesary files.
Fixing conflict