users have images
user creates image with nested form on signup
paperclip for file attached to photo class
users get avatars through polymorphic association
entries include images through polymorphic path
images appear on profile and entry pages
cleanup
Merge pull request #32 from JohnBuonomo/avatar-polymorphic-images

Avatar polymorphic images
after an entry is made, nearby entry clusters are found or created, the entry is then associated with the right cluster