Realism Overhaul v5.1

Changelog:
v5.1 /
*Updates to FASA patches by RedAV8R
*Fixed heatshield tangents not being set, leading to unexpected behavior
*Add patch for MissionController (patches fuels and engine costs to be 1k = $1000 USD 1960)
*Update RT2 patch file, fix errors
*Add throttling and EngineIgnitor support to BobCat Soviet Engines
*Upgrade to ModuleManager 2.1.0