Administrator log in assumed by lite-* admin. tools

[ralphy]

... while applications like 'Install/Remove Software' and 'Users and Groups' correctly prompt for the password of the administrator log in even when logged in as a desktop user (they seem to be able to automatically deduce this somehow!), lite-* tools requiring an admin...

[member=6842]Tegid[/member] , run Install Updates please. You'll notice that we have moved many applications from gksu to pkexec which takes care of what you've mentioned. Lite Tweaks is not there yet (sorry) but we are working on it and should be ready in the next few days

Thank you for your feedback. Cheers!