Modified the Gemfile so that it contains all gems in their latest version according to rubygems.org that will/could be used in this application.
Configured devise
Configured CanCan
Configured kaminari
Configured mongoid
Configured simple form
Configured rSpec
Rescue from an AccessDeniedException
Added support for inline-checkboxes in simple form
New syntax for hash rockets
Merge pull request #2 from CO2Management/feature/usefull-gems

Feature/usefull gems