Added redactor
Added carrierwave
Added minimagic
Added image uploads to Radactive
Displaying the content and set default buttons for the editor toolbar
Updated the editor buttors, fixed the edit link and functionality for explanation
Changed field names to explanation summary and exp content, added more file types
Changed the offset of the explanation form to center it
Changed the offset of the explanation form to center it
change-to-gemfile.lock
change-to-gemfile.lock
Merge remote-tracking branch 'origin/redactor' into redactor
Fixed a small merge conflict