Merge pull request #21 from jaredhoberock/master

Get latest cxx-html-doc-framework
Merge pull request #22 from jaredhoberock/master

Incorporate Alisdair's comments
Merge pull request #23 from jaredhoberock/master

Incorporate Artur's suggestion to flatten all diffs into a single unicol...
Merge pull request #24 from jaredhoberock/master

N4104 revises the post-Issaquah paper, N3960
Merge github.com:cplusplus/parallelism-ts