Moving resize functions into contenteditor
removing featured_image from the campaign model, since it's no longer used.
removing featured campaign admin.
excluding tagline and call from campaign admin since they're not used.
Merge pull request #149 from annalee/admin

Removing featured_image from the campaign model, since it's no longer used.
Image resizing sends to default media handler
Merge pull request #150 from cmc333333/resize-to-the-cloud

Resize to the cloud