adding and removing sources

Conflicts:
	src/main/java/viewer/SpimViewer.java
moved BoundedValue to viewer.util. Created BoundedInterval which can span
any interval (with a minimum size) in a given range.
Merge remote-tracking branch 'origin/master' into mamut
Acquaint changes in inglib2.

More precisely, some ARGB classes have been moved, and imglib2-io
disappeared and scifio must be used instead.
Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>