Remove query param from URL
Outlines for tasks
Remove unused method
Create callback hook for authorized
Implement token retries
Add authorization
Hide paypal api behind create
Change cleaning task to use new create method
Merge pull request #724 from sharetribe/remove-query-param

Remove query param from URL
Merge pull request #720 from sharetribe/timed-retries

Timed retries
WTI pull
Transform to symbol already at save/load of payment
Only capture authorized payments
Only void pending payments
Only authorize pending, order payments
Merge pull request #727 from sharetribe/paypal-status-precond

Check PayPal payment status preconditions
added commission_from_seller column to transaction
copy 'current' commission_from_seller from community to transaction
hold_in_escrow fix. should not be a problem in production but helped in dev environment
refactoring: listing_conversation to listing_transaction