GUI setup, grid diagram functions (no classes)
GUI update, changes to work with GUI
added test files, updated GUI
gui update, added weighted_graph functions
removed duplicate files
Merge branch 'master' of https://github.com/panaviatornado/hfhom into panaviatornado-master

Conflicts:
	corrterm/dehn_homology/dehn.py
	corrterm/test/test_graph_quad.py
	corrterm/test/test_plink_classes.py
	corrterm/test/test_seifert.py
	dehn.py
	dehn_homology/dehn.py
	graph_quad_tests.py
	gui.py
	plink_classes_tests.py
	seifert_tests.py
	test_graph_quad.py
	test_plink_classes.py
	test_seifert.py