fixed loop
layering tree work in progress
layering tree work in progress
metis separator, cleanup
Merge branch 'master' of https://github.com/dagalindo/INDDGO

Conflicts:
	lib_graphd/inc/GraphCreator.h
	lib_graphd/inc/GraphUtil.h
	lib_graphd/inc/MutableGraph.h
	lib_graphd/src/GraphCreator.cpp
	lib_graphd/src/GraphEOUtil.cpp
	lib_graphd/src/GraphUtil.cpp
	lib_graphd/src/GraphVizGraphWriter.cpp
	lib_graphd/src/MutableGraph.cpp
	lib_treed/inc/TDTree.h
	lib_treed/src/TDTree.cpp
	make.inc.serial
removing TDTree updates
re-adding TDTree changes
re-removing TDTree updates
Merge pull request #35 from dagalindo/master

fixing bfs_dist, adding METIS separator, add fuse_vertices()
Merge remote branch 'origin/master' into testing
Adding google test for edge subdivision in Graph; fixing segfault when new vertex passed in is exactly current number of nodes in graph.
Adding test for fuse_vertices, strengthening test for is_edge
Noting that test for METIS separator is missing.
Uncrustifying all code in lib_graphd.
Merge pull request #39 from bdsullivan/testing

Underlying Functions for Layering Tree Creation