payment method active method added, prepare callback handling of fritzpay
fritzpay demo provider handles init callback
Merge pull request #71 from chruffer/provider_refactoring

url params via mux; renaming param; logging with log15
payment method: use pointer receiver on payment method
Merge pull request #72 from wongak/fritzpay_impl

Fritzpay demo provider initializes payment
Merge remote-tracking branch 'upstream/master' into refactor_entity_pkgs
Active() on pointer receiver
apply goimports
update paymentd rights
Merge pull request #73 from wongak/refactor_entity_pkgs

Refactor entity pkgs
Merge remote-tracking branch 'upstream/master' into cleanup
Merge pull request #74 from wongak/cleanup

Cleanup
notification without transaction history is not an error
Merge pull request #75 from wongak/fix_notify

notification without transaction history is not an error
testutil: WithContext will cancel context on teardown
rework tests to use transactions only on DB tests, prepare static test data for db
rework tests, add fixed payment db test data for test db
test fixtures with valid project key secret
activate test fixture payment method
failing notification test: when notifying inside transaction, it would
not contain the actual state