Merge pull request #9 from MattBBaker/master

Cleanup
Added "doc" and "clean_doc" options to Makefile.
These are also available within the Makefiles of the libraries.
Also added Doxyfiles where needed.
Merge pull request #10 from jdlschrock/master

Doxygen options
reverting make.inc
couple of updates for doxygen generation
Initial testing with gtest
Fix Makefile so that libgraphd.a is only rebuilt when necessary
Made necessary changes to the test Makefile in order to get gtest working.
Additionally made changes to the gtest files, which might not have been needed.
Should run successfully so long as the gtest module is loaded
fixed make.inc
Merge remote branch 'upstream/master'
Updated the make.inc examples
Updated the example make.inc files
Merge pull request #14 from jdlschrock/master

Enable gtest on lib_graphd
Script to process and merge graph stats into a common csv file.
Merge remote-tracking branch 'upstream/master'