use embedmd to keep README.md copy of settings in sync

Merge pull request #37 from nickzh/master

bump version to 0.2.2

bump version to 0.2.1 for release

Merge pull request #30 from davedash/retry

A retry command.

bump version to 0.1.6

bump version to 0.1.5

bump version to 0.1.4 for release

more packaging fixes

support forked repos; include requirements.txt in MANIFEST.in

Fix up some package release issues