Merge pull request #331 from FlansMods/Development

Development --> master
Added OnRadar True to WW2 planes

Will allow ICBM AA to shoot at them and show up on ICBM radar
Prevented GUI Crash

Stops minecraft crashing if you open a GUI just as your plane is
destroyed
Better ICBM AA compatibility

Does damage to random part not just core, won't target players on
turret's access list
Renamed static field

isICBMLoaded changed to isICBMSentryLoaded
Merge pull request #336 from Mirosta/master

Better ICBM Compatibility and minor bug fixes