Shutdown cleanly when the driver is stopped.
Add backoff to register attempts
Shutdown cleanly when the driver is stopped.
Merged
Fix bad merge
Change to use select for everything
Merge pull request #16 from twitter/registerbackoff

Add backoff to register attempts
Merge pull request #14 from twitter/cleanexit

Shutdown cleanly when the driver is stopped.
Merge pull request #19 from weingart/proto-update

Modify proto build infra to be able to deal with 0.20.1+
Merge branch 'master' into proto-sync