Removing experimental TP.
Merge remote-tracking branch 'upstream/master' into cleanup
Remove reference to TP_R.
remove old Cells2 class

this was unused
remove unused code OLD_ALGORITHM

this #ifdef'ed code was unused
Merge branch 'master' into cleanup
Merge branch 'master' into breznak-cleanup
Merge pull request #300 from scottpurdy/cleanup

Removing experimental TP.
Merge branch 'master' into breznak-cleanup
Merge pull request #322 from breznak/cleanup

Cleanup
Merge branch 'master' into spcpp