TEMP - scifioaxes

This is a static utility class that defines a list of AxisTypes that
would be useful in the sciences (e.g. spectra, lifetime, etc..).

TODO - temporary for testing. Remove when master is updated
wip: n-d conversion
wip: check for uninitialized planraxiscount
wip: bits per pixel fix
wip: n-d conversion
wip: expanded getSize/getPlaneSize api
wip: N-d filters