BS-2675, add javadoc on command related classes
BS-2470, fixed restart of Engine (through AppServer like Tomcat): when reexecuting activities with connectors, Data initialisation was tried to be done again.
BS-2423, longer group parent path in database
Fixed javadoc on Commands (API, etc...)
[ENGINE RELEASE] Created the release 6.2.1.alpha-01
[ENGINE RELEASE] Created the release 6.2.1-SNAPSHOT
[ENGINE RELEASE] Created the release 6.2.1.rc-01
[ENGINE RELEASE] Created the release 6.2.1-SNAPSHOT
[ENGINE RELEASE] Created the release 6.2.1.rc-01
[ENGINE RELEASE] Created the release 6.2.1-SNAPSHOT
[ENGINE RELEASE] Created the release 6.2.1.rc-01
[ENGINE RELEASE] Created the release 6.2.1-SNAPSHOT
[CHANGE VERSION] updated the version of poms to 6.2.2-SNAPSHOT
BS-5059, fix return of method ProcessAPI.deleteProcessInstances
Cause: the counter was not incremented correctely at ProcessInstanceService.deleteParentProcessInstanceAndElements and deleteParentArchivedProcessInstancesAndElements
Resolution: fix counter incrementation
BS-3168 : [bos local sqlserver] [regression] error when execute a connector on finish of a process.

- Rewrite bad test (random error)
BS-2423 : Longer(1024) group parent path in database
BS-1404, fixed deleteProcessInstances errors which were not passed to caller stack
BS-2423 : Longer(1024) group parent path in database (reverted from commit 0eb961f4f78a37eee8cc0b5e9d56d6031e5075ae)
Refactor tests + add new test for connector on multiInstance on enter, in parallel
BS-2835, fixed problem where trying to insert empty Portal themes, as they were not available