Util methods to return Array- or CellImgFactory depending on desired img size.
Code-Cleanup
Merge branch 'master' into knip
Fixed bug in ShrinkLabeling
fixed bug in Erode/DilateLabeling
Merge branch 'master' into knip

Conflicts:
	ops/src/main/java/net/imglib2/ops/operation/labeling/unary/ErodeLabeling.java
fixed bug in ShrinkLabeling
Merge branch 'master' into knip
removed old Shrink/Extend Labeling
Merge branch 'master' into knip
Merge branch 'master' of https://github.com/imagej/imglib
Merge branch 'master' into knip