Refactor network cluster deployment and coordination systems to provide fault-tolerance and support runtime configuration changes.
If the network auditor is unavailable then automatically time out messages.
Refactor package structure for 0.7.0.
Rename 'Cluster' to 'VertigoCluster'.
Support undeployment in abstract cluster.
Move cluster coordinator to cluster client.
Add cluster context registry.
Support getting network contexts via cluster API.
Move contexts to separate package.
Refactor contexts to support clustering.
Update network manager to provide cluster for contexts.
Add component coordinator for cluster/component configuration coordination.