Optimize open and close operations

Do not take the unnecessary step of copying original pixels.
Initial implementation of gaussian blur command
Change menu entry name and format code
Introduce AbstractMorphOpsCommand
Binary ops now based on AbstractMorphOpsCommand
Make family of binarization commands
Relocate menu entry
Blacklist some Process > Binary commands

These commands have slightly different names than IJ2 and thus appear in the
menus a couple times. Prefer the IJ2 versions.
Bump to pom-scijava 1.100

Signed-off-by: Jenkins <jenkins@dev.loci.wisc.edu>