Added payment module

- added payment sass module
- structure  content payment
Merge branch 'feature/fund-loving-criminals' into feature/BOOK-672-PAYMENT

Conflicts:
	bluebottle/bb_donations/static/js/bluebottle/bb_donations/models.js
	bluebottle/bb_donations/static/js/bluebottle/bb_donations/views.js
	bluebottle/bb_donations/templates/bb_donations/_donation_amount.hbs
	bluebottle/payments/static/js/bluebottle/payments/controllers.js
	bluebottle/payments/templates/payments/payment.hbs
Merge branch 'feature/fund-loving-criminals' into feature/BOOK-672-PAYMENT

Conflicts:
	bluebottle/bb_donations/static/js/bluebottle/bb_donations/models.js
Merge pull request #862 from onepercentclub/feature/BOOK-672-PAYMENT

Feature/book 672 payment