Add RTT to server description and set on refresh
Rename refresh interval to hearbeat frequency
Cluster listens for server add events
Add equal tests for server
Monitor has own connection, does not use pool
Add check spec
Add simulator add/remove
Flag description unknown on connection errors
Calculate round trip time duplication removal
Remove remaining rspec deprecations
Dont add proxied server in cluster simulator specs
Debug for travis
Dont run monitor yet
Kill all monitor threads on suite completion
Clean up threads after each test
Ismaster command can be constant
Connection is no longer specific to pool, is used by monitor
If we asked to read, try always with nil to read everything
Connection write returns self
Merge pull request #428 from mongodb/cluster-management

Server Added/Removed to/from Cluster