Created model CommunityPaymentGateway and remove table communities_payment_gateways
Start creating payout details form for Braintree
Added missing associations to CommunityPaymentGateway
Delete unnecessary spec
Merge pull request #148 from sharetribe/store-merchant-keys

Store Merchant Keys
Merge branch 'develop' into add-payout-details
More generic way of showing additional payment gateway TOS
BraintreeAccount model and controller
Merge pull request #149 from sharetribe/save-braintree-details

BraintreeAccount model and controller
Started payout form details form fields
Migrations
Merge branch 'develop' into add-payout-details
Rename BraintreeAccountController +s
Basic payout detail form for Braintree ready
Merge pull request #152 from sharetribe/add-payout-details

Payout details form view
Finish gateway ToS and make test for it
Fix: Do not override payment strings
Add fields to BraintreeAccount model
Add validations
Add update method to the controller