SSDM-13578 : 2PT : Database and V3 Implementation - do not try to commit on transaction manager once the commit is done on a connection as it would always fail

SSDM-13578 : 2PT : Database and V3 Implementation - delete created spaces and projects after 1PC and 2PC tests

SSDM-13578 : 2PT : Database and V3 Implementation - limit of 1 transaction per session token and check access to transactions

SSDM-13578 : 2PT : Database and V3 Implementation - call begin/prepare/commit methods only on participants that executed some operations

SSDM-13578 : 2PT : Database and V3 Implementation - make OpenBIS Java facade support two-phase-commit

SSDM-13578 : 2PT : Database and V3 Implementation - handle race when coordinator and participant want to roll back the same transaction

This reverts commit ac54b6f2.