BS-8648: replace &, < and > with &, <, > respectivley in node contents when parsing and rebuilding xml files
BS-7115 : [6.1.2] IdentityAPI getGroupByPath generate a SGroupNotFoundException

- Add migration to replace empty parent path by null
BS-7115 : [6.1.2] IdentityAPI getGroupByPath generate a SGroupNotFoundException

- Fix prob on tests with old changed method
BS-7115 : [6.1.2] IdentityAPI getGroupByPath generate a SGroupNotFoundException

- Fix prob on tests with old changed method
BS-7115 : [6.1.2] IdentityAPI getGroupByPath generate a SGroupNotFoundException

- Change previous.bonita.version in 6.3.0
BS-7115 : [6.1.2] IdentityAPI getGroupByPath generate a SGroupNotFoundException

- Fix SQL Script
BS-7115 : [6.1.2] IdentityAPI getGroupByPath generate a SGroupNotFoundException

- Fix SQL Script
BS-8390: fix and add test
Merge branch '6.3.x' into 'BS-8609_JREEmbedded'