* Reverted changes for REPO-3743 #276
* Changes in PersonService to ensure a consistent behaviour for the System case:
- PersonService.createPerson() throws now an AlfrescoRuntimeException when trying to create a person for the username 'System'
- PersonService.getPerson("System") throws NoSuchPersonException
- PersonService.personExists("System") returns false
* Remove StandardRenditionLocationResolverTest tests from the suite - the RenditionService deprecated, so related tests won't be maintained
* Fixes for the System user case in ImapService
* Update alfresco-data-model 8.27
* REPO-3743: Prevent the creation of built-in authorities, like user SYSTEM, GUEST.
* REPO-3743: added a new test and fix the tests that try to create system user.
* REPO-3473: I fix the tests ussing adminUser authentication.
* REPO-3743: Refactor tests authenticate as admin user.
* REPO-3743: fix the tests that used System user
* REPO-3743 clean up system authentication.
* REPO-3743: clean up system authentication
* REPO-3743: changes no permossions
* [maven-release-plugin] prepare release alfresco-repository-7.32-REPO-3743_System
* [maven-release-plugin] prepare for next development iteration
* REPO-3743: change runAsSystem and add setFullAdminAuthentication.
* [maven-release-plugin] prepare release alfresco-repository-7.32-REPO-3743_SystemUser
* [maven-release-plugin] prepare for next development iteration
* REPO-3743: added dependency for branch released data-model
* REPO-3743: added admin user as full authenticated user.
* [maven-release-plugin] prepare release alfresco-repository-REPO-3743-System-clean
* [maven-release-plugin] prepare for next development iteration
* REPO-3743: change the data-model version
* REPO-3743: change dataModel version
* [maven-release-plugin] prepare release alfresco-repository-REPO-3743-System-clean2
* [maven-release-plugin] prepare for next development iteration
* REPO-3743: changes after review.