Indicate 'implicit' or 'inherited' rights

Heya Folks,

I'd like to suggest adding an indication of what i'd call 'implicit' or 'inherited' rights to the rights editor.

Say, for instance, View and Comment rights have been granted or denied to the XWikiAllGroup on some space.
If one Users view in the Rights editor for that space, all users should have the View and Comment checked.
Perhaps the marks should be grey versions of the green and red ones currently used for indicated rights have been granted or denied?

This would be helpful for understanding the effects of security settings in a large wiki with lots of users and groups.

Mazzel,

Martijn.