Slightly more sensible progress indicator for per_crashing.py.
Add a missing ref.
Fix up rebuild_graphs.sh so that we can nowdo a completely automated
build of all the graphs.
Another attempt at non-retarded kerning of footnotes.
Results of an editing pass on the introduction and abstract.
Results of the latest editorial pass.
I had a bug in the script which does infinite bootstrap intervals
which was causing it to produce intervals which were ever so slightly
too tight.  I've now fixed it, so update the numbers in the
dissertation.