added balanced gem. created onboard balanced state and designed a page for it. unsuccesful angular balanced implementation.
added balanced gem and fixed old code that used old API version. added processing stage to button on create account. rewrote details for Balanced calls in angular model. added credit card modal to bid page for when brands bid. added model methods to user for handling creation of customers, proposing bids, and adding bank accounts to balanced. updated controller methods in balanced controller and bids controller to reflect new balanced methods with user model. migrated attrs for balanced to users and bids.