Spec calls cluster check a scan
Add ability to check if server is standalone
Add ability to check is mongos
Don't remove server if list came from a non primary
Pass an updated description to the inspections
Cluster can be configured with a replica set name
Add replica set name to cluster
Add description types are exactly to the spec
Simplify queryable logic on server
Merge pull request #432 from mongodb/cluster-management

Cluster Management - Proper Server States