Added/updated lots of code to add Stripe interaction. Also a few improvements/bug fixes.
Filling in tests for code added in the previous commit.
Added some additional testing.
Added sold css class to sold artwork images along with tests.
Changed the caption on the Stripe button for gallery signups.
Added errors to the shipping page when items are not filled in.
Changing database cleaner due to issues with MySql and Sqlite3.
Initial cucumber step definitions.
Added the first set of Cucumber tests.
Added FriendlyId gem and configured artworks and seller_accounts to use it.
Tweaked rails_admin configuration to only allow access to users with admin=true.
Added SellerMailer for emails to artists and galleries.
Added the user mailer for emails going out to buyers and users.
Added Mandrill credentials and updated emails slightly.
Added api calls to Fedex, testing, and various imrpovements/cleanup.