Adds vacuum in the beampipe geometries for 21e - max beam deflection 2.5deg;...

Adds vacuum in the beampipe geometries for 21e - max beam deflection 2.5deg; 21f - no beam deflection; 21g - Au beam with 3.3 AGeV/c with 50% MF; 21h - Au beam with 12 AGeV/c with 100% MF
7 jobs for !179 with beampipe_vac in 27 seconds (queued for 6 seconds)
merge request