Refactor: Remove unnecessary create_cib_fragment function
Refactor: cib: Populate version and schema details in calls to createEmptyCib()
Feature: tools: Allow crm_shadow to create older configuration versions
Test: tools: Refactor the acl tests to allow running for multiple versions
Test: tools: Simplify the acl tests
Test: tools: Reduce output noise from acl tests
Build: Prepare for ACL schema changes
Feature: Changes to the ACL schema to support nodes and unix groups
Test: xml: Implement regression tests for new ACL syntax