Re-order Dockerfile.base

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Update the method signature of Client#register

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Stop existing heartbeats when re-registering services

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Support ommiting the IP address when registering services

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Use the full address when tracking registrations

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Merge pull request #19 from flynn/heartbeat-updates

Stop existing heartbeats when re-registering services