add graph.h
Created declaration file for the Vertex class
Created declaration file for the Graph class and cleaned up and
renamed NodeGraph.js to Graph.js to be more consistent with the
declaration file
Renamed vertex.js to Vertex.js and made consistency changes between
the Vertex header file and the JS file.
Merge branch 'issue6' of https://github.com/Seneca-CDOT/thecollectors into issue6
Merge branch 'issue13' of https://github.com/Seneca-CDOT/thecollectors into issue13
Initial MapGenerator definition