More grsecurity restrictions & logging.
Enable building sources, fixed syntax.
Fixed syntax, added parameter to enable security (which is already enabled by default).
Disable creating source archives: not needed always.
Added Digabi bird logo, use it in menu.
Install non-free firmware, if non-free repositories have been enabled.
Enabled non-free (and contrib) repositories
Updated Digabi logo: squared, no background in SVGs
Disabled another host, not required for testing.
PAX flags for Java / GeoGebra
Disabled profiling
Fixed invalid values & paths.