Remove .orig file
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
Add bonita.css for theme for the migration from 6.2.6 to 6.3.0
BS-8682 : [Migration SP] NPE : Cannot invoke method text() on null object

- Add a check for "isExternalNode" variable is null or not
- Rename folders of migration to have an unique number
BS-8682 : [Migration SP] NPE : Cannot invoke method text() on null object

- Add a check for "isExternalNode" variable is null or not, to modify the XML file
BS-8390: remove flownode_instance orphans and add integration tests and upgrade version
Merge branch '6.3.x' of github.com:bonitasoft/bonita-migration into 6.3.x
merge from master
revert grable build specific changes
BS-8390 : reverting orphans deletion and add condition on flownode_instance to deleted = false (where the true ones are the orphans...)
Change versions of migration
Change versions of migration
Remove bad scripts
Bring back deleted scripts

This reverts commit ee1a0ba0f767fcd79f575d6f9b1c56165cec4add.
fix bonita.version for db-filler-6.3.0