Add query params for branch change in view,
Use params in controller to initiate new codereview of that branch
Remove get_avatar method, we are using gravatar instead
Add method to construct a reference has for contributor usernames
invoke contributor hash method to create a contributor hash to find usernames from contributor emails
Add href wrapper around avatar. Still need to finish logic surrounding the hash lookup to extract usernames to build the url to the github profile
Merge remote-tracking branch 'origin/master' into gravatar_image_support
Update contributor hash_builder method to actually work correctly.
Add the html around the contributor interpolation that will produce the linked image on the table
Place the linked image in the contributors cell on the table
Merge remote-tracking branch 'origin/master' into linked_contributor_img
Merge remote-tracking branch 'origin/master' into linked_contributor_img
Remove unnecessary sidebar partial
Merge pull request #72 from alexung/linked_contributor_img

Linked contributor img