adding ability to reconfigure an active cluster.
cluster reconfig form
adding json modifier
json validation added
add ability to add services
adding reconfigure-cluster to this branch
close resources in SQLClusterStore where they are created,
cleaning up a comment, and moving the set of configurable states
to the cluster status.
Merge branch 'feature/reconfigure-cluster' of github.com:continuuity/loom into feature/reconfigure-cluster
Merge pull request #64 from continuuity/feature/reconfigure-cluster

adding ability to reconfigure an active cluster.