[New Feature] Super-OmniCrusher

[TAK02]

Description:

A Crush-class that can crush OmniCrushResistant=yes units.

IsTrain=yes would've been viable, but it has three issues:

• Scattering/Scatter Move when attacked/damaged doesn't happen.
• Can't be built from Factory without destroying that Factory
• Whenever a Train unit crushes a VehicleType with OmniCrushResistant it gets damaged.

Possible Implementation:

[TechnoType]
UltiCrusher=no
UltiCrushResistant=no

[TAK02]

Note: intended use on my end is for a unit that is spawned via SW and vanishes after a while, so IsTrain=yes issues 2 and 3 aren't really problems for me.
Issue 1 is the problem for me. The thing this is intended for needs to roam the map via a weapon it fires on itself, and IsTrain=yes prevents any Scattering from happening.

[secsome]

I think it's better to give a crush level.