Give spawn a cycle
Give spawn a cycle

This fixes an annoying race when running the reconstrcutor in
interactive mode on dev machine with not much in the way of data.

I'm not sure why.

Drive-By: kill useless continue

Closes-Bug: #1653174

Change-Id: I778c2a929d746ad88fa1ec1d1503d676a8b4ed61

psachin/swift,matthewoliver/swift,psachin/swift,matthewoliver/swift,redbo/swift,smerritt/swift,clayg/swift,openstack/swift,redbo/swift,tipabu/swift,notmyname/swift,tipabu/swift,psachin/swift,smerritt/swift,psachin/swift,clayg/swift,smerritt/swift,notmyname/swift,swiftstack/swift,smerritt/swift,matthewoliver/swift,openstack/swift,nadeemsyed/swift,matthewoliver/swift,nadeemsyed/swift,openstack/swift,nadeemsyed/swift,clayg/swift,notmyname/swift,nadeemsyed/swift,tipabu/swift,openstack/swift,notmyname/swift,swiftstack/swift,clayg/swift,swiftstack/swift,tipabu/swift