Deprecate Write3DDensityToNrrd in favour of nat::write.nrrd
Remove unmask, projection, clampmax, flip.array/vector/matrix
Deprecate expand.grid.gjdens, image.gjdens, xyzpos.gjdens, ijkpos.gjdens

* nb all tests passing
Add test for image.gjdens/makescalebar
deprecate makeScaleBar
Bump AnalysisSuite version to 1.3.0