Cache whether a DB supports transaction on all the DB adapter to improve perfomance.
@tsteur right, so this
$supportsUncommitted should be in the
@peterhashair most tests are now failing with messages like
Undefined property: Piwik\Db\Adapter\Pdo\Mysql::$supportsUncommitted. Maybe it needs to be added to the adapters as well...
From my point of view this looks good to merge.
@sgiehl right, sorry wasn't thinking, update again, if that makes sense.