Completed support for parent item ACLs.
Support for parent ACL.
Do not show anything when the item permission is none.
Updated change log
Permissions cannot be changed with the ACL widget when in parent ACL
mode.
Added check in ACL widget validator: ACLs can be changed only when the user
has enough permissions, preventing forged operations by unauthorized users.
Added mainaction and dangeraction attributes
Code reformat
Version bump to 3.5.0
Added "userid" item key type.
Disabled users are filtered out in ACL widget.
Fix tray bar items class path
Version bump
Merge branch 'release/3.5.0'