Merge pull request #2 from nikeshashar/development

Merge pull request #1 from nikeshashar/master
Merge pull request #3 from nikeshashar/development

Development
Updated user reviews authorisation - pending fix
Fixed errors with Alex. Added a gem and doubles for users
Moved devise to production
Installed rails_12factor locally
Merge pull request #4 from nikeshashar/master

Updating