Prevent undefined moves - C2 limits
Merge pull request #504 from RepRapMorgan/SCARAlimits

Prevent undefined moves - C2 limits
change bed compensation to allow a transform of XYZ not just a Zoffset
calculate distance travelled as 3D vector of compensated target
do not hardcode maximum Zprobe distance use gamma_max*2
Merge pull request #505 from wolfmanjm/update/adjustZfnc-compensationTransform

change bed compensation to allow a transform of XYZ not just a Zoffset