Updated changelog.
More changes to github-upload.sh.  Still doesn't work, though.
Markdown reader: Fixed bug with literal `</div>` in lists.

Closes #1078.
Small performance improvement in list parsing.
Another small performance improvement.
OSX package:  Create .zip rather than .dmg.
Version mubp to 1.12.2.1
Updated changelog.
add Sublime files to .gitignore
Remove line breaks in section title in TOC (LaTeX).
Remove line breaks in section title in TOC (HTML)