First functioning version of fast multiscale clustering within MTEX.
Added FMC demo with single-grain data
FMC, make functions
FMC, some speed up
FMC, minor interpret speed up
calcGrains with different grain boundary critierion (gbc)  algorithms,
update FMC, memory usage etc.
merge FMC things
work in process, not yet functional
Merge with mtex-3.4
add class for dynamic properties

replaced numel by length
worked on
partly functional already
work on EBSD
replaced inverse(orientation) by inv(orientation) to be more consistent with
inv(tensor) and inv(matrix)
working on
work on
work on
updated tensor to new class system
replaced some numel by length
minor fixes
minor fixes