To tag

** REMEMBER TO BUMP CMAKELISTS VERSION **
** REMEMBER TO BUMP MINOR (SOVERSION) IF NEW STUFF IS ADDED **

1) edit TrackTest.h so as to not do the track upload test.
2) run tag command with given git hash
3) Commit

4) checkout
5) Remove contents of test_data/ folder in tests
6) Remove various unneeded files, TAGGING, tag_command.sh, etc
7) create tarball, upload

8) Re-enable track upload test
