Added UCM Node
added ucm to procnodesetfactory
Merge branch 'master' into ucm

Conflicts:
	org.knime.knip.base/src/org/knime/knip/base/nodes/proc/ProcNodeSetFactory.java
cleaned up ucm node, now as UCMOp
more code cleanup
Adding UCMBoundary as replacement for UCMEdge
Merge branch 'ucm'