* Collect and pass apply error data to provider
* Rollback failed transaction and continue operation if provider returns
SUCCESS
* MTR tests for inconsistency voting
kill_galera.inc can no longer rely on wait_until_connected_again.inc.
This is because wait_until_connected_again now tries to make sure
that the server it is connected eventually transition to ready
state. Whereas some tests may need to kill galera while the server
is in a non-primary view.
