Release for 1.7.0

Release 1.6.0

Update version for release 1.5.0

Prepare to release 1.2.0

Releasing 1.0.0

Update pom version to 0.17.0

Remove SNAPSHOT

Fix a unit-test race condition.

Merge pull request #30 from caskdata/feature/fix-responder-state

Only set the responder state to be sent when it’s going to write to t…