fix changes, add now again produced files to gitignore

Improve wording somewhat, add a short remark about endpoint convergence

for power series, and comment out the svg optimizing stuff from the
conversion sh script (it is done in the pl now)

Update comments for me a tad

Fix up conversion a bit

don't leave behind droppings

A couple minor fixes for web version

Minor update

Tighten up language to fix changed spacing coming from new

version of latex.

CHANGES are now live

Fix HTML conversion