Merge branch 'dev'
Merge branch 'dev'
Change 'chapters' to 'parts'

The tufte-handout class apparently doesn't support chapters, so they were not
formatted correctly and didn't appear in the table of contents.  Using 'parts'
instead of chapters seems to work and is a quick workaround.
Merge branch 'master' into dev
Fix section numbering in Licensing part.
Merge branch 'master' into dev