Add spec data for payment voided
Fix ipn data types
Add ipn handler and events for voiding a payment
Add handling for voiding a payment and events in success and error
Specs for voiding a payment
Move reject to transactionservice/transaction
Remove no-op branch.
Check for novelty data in ipn message
Add correct transition mapping for preauthorized => voided
Make ipn to use dependency injector in controller
Generalize payment update event and update only on changed data
Check that pending reason is external on transition
Change references to source to flow
Delayed job handling for automatic rejects
Change strings to symbols
Better comparison algorithm and spec
Allow automatic reject only from preauth state
Fix transition from pending ext to rejected instead of cancel
Add handling in ui for errored status
Fix pending reason