Rename lsm2nrrdPP.ijm to lsm2nrrd.ijm
Create lsm2nrrdPP.ijm

keeping as option
Update and rename lsm2nrrd.ijm to lsm2nrrdR.ijm

removing all but Rotation processing
Added plane convert with only signal ballance.
Added Python processing script
New core sampling tried
Got working

Z flip needs more testing
Fixed Z filp and improved sampling reliability

Now samples from top and bottom 3rd in Z avoiding middle 3rd - gives
more consistent data for Z flip judgement.
Correcting comments
Update lsm2nrrdPP.ijm
Correcting comments
Adding examples to readme
Merge pull request #1 from Robbie1977/removePP

Publish new improved method with python processing step for channel selection and Z flip.