add support for nested groups
combineFilterWithAnd recently moved to Access
move nested group checkbox to directory settings
Merge remote branch 'upstream/master' into ldap_nested_groups
remove debug output
fix indentation
use identity test where appropriate
use camelcase variable names
_getGroupsByMember is a private function
fix coding style to blizzz happy.. ;-)
replace spaces with tabs
use true instead of 1
Merge pull request #6299 from leo-b/ldap_nested_groups

Add LDAP nested groups