MSTA Geometric Algebra package experimentation.

new file:   ../make.rules
new file:   ../make.vars
modified:   ../module/GNUmakefile
new file:   GNUmakefile
new file:   get.sh
new file:   cliffordModule/GNUmakefile
new file:   cliffordModule/UserGuide.nb
new file:   cliffordModule/get.sh
new file:   cliffordModule/tryClifford.nb