Renaming WeightedMutableGraph -> VertexWeightedGraph
Removing the MutableGraph class and moving its functionality into the base Graph class
Collapse WeightedGraph down into VertexWeightedGraph
merging changes from master
- test should be a phony target
- properly initialize variables now that mutablegraph has become graph
- create_graph() did not correctly resize the adjacency vector.  just have it call create_mutable for now
- added fixme for later 64-bit issues
- Fixes to gtest with new classnames
- fix td_stats score file parsing
- fix util/Makefile so that binaries get rebuild on libgraphd.a changes
Merge branch 'classremoval'