Changes by Raf04 in issue #78
Merge branch 'Raf04_fixes' of https://github.com/sarbian/MechJeb2 into Raf04_fixes

Conflicts:
	MechJeb2/MechJebModuleAttitudeAdjustment.cs
	MechJeb2/MechJebModuleAttitudeController.cs
	MechJeb2/PIDController.cs