Wdil: Clean locks on discarding VMs from loadbalancer.

Change-Id: I945f3f6d23869d2bbbc3815448fcfd76304f5eaa
Wdil: Fix zookeeper cron job.

Change-Id: I3fbb4d966472d8cc43236cf1ed16f7a96790b829
Merge "Wdil: Fix zookeeper cron job."