Adminmenu improvements, ACRE God Mode

[Freddo3000]

This pull request will:

• Change the admin menu to use the GUI_GRID macros provided by \a3\ui_f\hpp\defineCommon.inc. The values should be identical to what it was before, but more readable.
• Add options to enable/disable certain permissions for individual users, as well as set the defaults. Useful for more hierarchical communities that may want finer control.
• Add ACRE God Mode handling in TMF, split into three groups: Admins, Spectators and Curators
• Add warning requiring confirmation when claiming/granting zeus via the admin menu, as some people don't seem to understand that grabbing Zeus after mission start may cause problems.

[headswe]

@beaar take a look at this please?