add the user can subscribe service
start flushing out subscriptions
add edit subscriber functionality to the edit cluster service
add the ability for a user to subscribe
allow a user to unsubscribe
swap state of subscription properly when it updates
add cluster ctrl spec about unsubscribing
such refactor
fix logic for showing the subscribe functionality
Merge branch 'master' into subscribe-to-cluster
quote version for node
Merge pull request #26 from clusterapp/subscribe-to-cluster

Subscribing and unsubscribing