index page updates and txn model
added to product schema and attr_accessor
delete migration
change migration
bundle update
remove migration
fixed typo with paperclip user avatar, changed to product avatar
changes
update gemfile
increased description limit
fixed conflicts
fixed schema and some extra stuff
added redirect and post request to venmo
fixed conflicts and merged tim's updates to paperclip
updating redirect to products page once user signs in/up.
Merge pull request #23 from zoe-g/tims_merge_paperclip_fix

Tims merge paperclip fix
adding facebook photo to navbar when user is signed in
added link to navbar for user to add a product.
fixing navbar so add product link only shows for sign in user.
venmo auth working