Add new gravatar url and remove images from profile model
Replace old persisted image urls with new gravatar_url method
Use normal email if no specific gravatar email is provided
Remove Paperclip and AWS from gems
Add debugger gem
Use gravatar_email instead of image upload in update form as well
Fix gravatar hashing for ever
Add gravatar url to API
Remove image adding from migrations
Revert "Remove image adding from migrations"

This reverts commit 2186553b7314c525e45c81f246a1f65004a07ad4.
Probably fix migration error
Remove paperclip related migrations
Rename migration as well
Merge branch 'master' into gravatar
Merge pull request #5 from fabiansch/gravatar

Switch from image upload to gravatar