Start basic file structure

Add an index page, makefile, and copy of the GNU FDL
Add first versions of notes

These notes are from my lectures; they're really messy
since I've just been printing out the text files; but
'make' still works
Start cleaning VARMA notes so they compile correctly
Add first draft of notes on stochastic integrals
Make minor tweaks to stochastic integral text

Made a few minor changes before lecture and during lecture.
Fix errors in stochastic integrals text

Had asymptotic normality for estimator on constant rather than I(0)
term
Remove redundant index file
Move files to subdirectories
Move files again and move webpage to README
Fix to run markdown on README