Merge pull request #17 from jcoady9/master

Basic load and display of an image
DFS Classes
Made an error on last commit of DFS
fixing last mistake
Changes to DFS. Waiting for vertex class to be complete before more progress can be made
Merge remote-tracking branch 'josh_repo/master'
Few minor changes to DFS
Finished up the current Vertex class, Including the frustrating addLine() function, and the test class
Merge branch 'master' of https://github.com/shamor/Senior-Design-I

Created header file for DFS.cpp file. Adjusted files to include  dfs.h
instead of *.cpp files.

Conflicts:
	Makefile
	tests/vertexTests.cpp