null before unsetting

Signed-off-by: Micheal Mand <micheal@kmdwebdesigns.com>

Removing sub dependency to core module so that it can be customized on a per project basis if needed.

Removing sub dependency to core module so that it can be customized on a per project basis if needed.

This will prevent issues on error pages that don't have assets because they don't go through the AdminBaseController.

Signed-off-by: Micheal Mand <micheal@kmdwebdesigns.com>

It is read from the core module

This prevents issues when there are multiple asgardcms installations on the same sever (using the same cache store).

Those are always null on translatable fields, thus can't be used here.

* mikemand-feature/new-sidebar-group-permissions:
  Publishing the permissions.php config file
  Configure the publishing of permissions.php core config file
  Fix namespace for Core sidebar extender
  Add sidebar permissions to allow turning groups on/off globally Closes #276