Minor translation improvement
Merged translation changes
Refactor and show error on complete preauth failure
Fix ordering of calls and redirects
Fix reference to listing conversation
Fix commission handling with_success call
Fix message saving
Skip saving when no  message
Fix reject link
Fix do_void parameter
Simplify message handling
Finnish translations
Merge pull request #736 from sharetribe/error-on-preauth

Refactor and show error on complete preauth failure
generic events and callbacks mechanism for services
Use Events instance in payments
First paypal payments api call test
Test for request_cancel + fix token deletion bug
Test for payments create, disable old auth event
Test for more create scenarios, add new events
Tests for full_capture + triggering payment_updated