Add cluster size constraint to template UI #425
use min/max constraint when creating cluster
Set the cluster description if its included in the request.
Merge pull request #469 from continuuity/feature/add-description-to-cluster-summary

Set the cluster description if its included in the request.
default clusterNumMachines to the constraint minimum
Merge pull request #465 from continuuity/feature/ui-template-cluster-size

Add cluster size constraint to template UI
Merge branch 'develop' into feature/ui-multitenancy
hide navbar on small screen/window