SERVER-14413 access global storage mgr via global environment
SERVER-14559 incorporating new ReplicaSetConfig class into topocoord

- removed Member*'s
- new temporary class NewMember, to be replaced by refactored HeartbeatInfo
SERVER-14586 add toBSON() methods to ReplicaSetConfig and MemberConfig classes
SERVER-14559 correct lint issue
SERVER-14624 Add isElectable and getNumVotes methods to MemberConfig.
SERVER-14624 Add isInitialized() concept to ReplicaSetConfig; expose some field name constants.
SERVER-12512: Add role-based, selective audit logging.
Merge remote-tracking branch 'upstream/master'