Remove files that do not have a distributable license

These files do not carry a licences that makes them distributable.
However, all of them appear to be either unused or not required by
linuxcnc, based on my analysis at
    http://mid.gmane.org/20131101024943.GA31516%40unpythonic.net
Merge branch 'remove-nonfree-code' of github.com:jepler/RTAI

Signed-off-by: Alec Ari <neotheuser@ymail.com>

Conflicts:
	base/math/GNUmakefile.am