asdasvd
added gravatar image to the profile page and added links to all of the subjects the user is offering to teach
Merge pull request #22 from meara/update_offerings

Update offerings
fixed merge conflict in the user index
Merge pull request #23 from meara/profile_page

tests need to be updated with factorygirl
updated redirect on user creation
Merge pull request #24 from meara/user_creation_redirect

updated redirect on user creation
link to new offering on user page