Bump version to v2.3.0

cut a 2.2.1 release

Bump versions to 2.2.0

Oops, forgot to update dependency version

Update version numbers to 2.1.4 in package.json

changelog for 2.1.3

release 2.1.2

shift around the done handling

Merge pull request hubotio#218 from github/finish

add Response.finish() to indicate a message is "handled"

realse v2.0.7