further buff to default IRS

Adjust infrared visibility to follow inverse square falloff

Theoretical fix for duplicated sensors on merged grids

Fix problem in previous update where BlockSensor isn't actually a GameLogicComponent

Fix PbApi bug where control blocks would not be immediately detected.

Fix reported sensor track positions being behind one tick

Allow disabling sensors + fix HUD errors

Infrared thrust & optimized HUD networking

color change on sensor customdata

Add home position and sensor empty