Implemented Prim's MST algorithms for sparse and dense graphs with subgaph masks and unary functors for edge weights' transformation
fixed some bugs
Optimized MST interface. Added doxygen comments to cut vertices and bridges algorithms
Merge pull request #13 from levinkov/master

implementing MST and adding doxygen comments to cut vertices and bridges algorithms
updating README
updating README
updating README
updating README
updating README
updating README
updating README
updating README
updating doxygen
removing legacy code
fixing link in README
adding generic BFS and DFS with callbacks
updating README
updating README
removing size type template parameter from GridGraph, for consistency