reformat Robin's code
move presentations to a separate folder
modify presentation-*.tex to use preamble

Also wrote Makefile to simplify compilation.
delete the misc/ directory

I will restore the program files into a standalone repo (publishable,
to accompany our report) once I've cleaned them up.
move report.tex to its separate directory
add bibliography

We will use BibTeX to simplify our life, with the additional assistence
of MathSciNet.
write Makefile to simplify report complitation