SERVER-8280 SERVER-7864 Make copydb command work without username/password when dest machine has auth but source does not
SERVER-9003 - Display replica set chaining topology in rs.status()

Include syncingTo in heartbeat response and display this info for each
replica set member in the replSetGetStatus command.
SERVER-6991 better stats for sharded connections and sharded conn pool
SERVER-6991 allow releasing sharded conn back to pool after read operation
SERVER-4836 increase poll frequency for new config of a replica set member
SERVER-8280 Rename test so it doesn't run in auth passthrough
SERVER-8984: gle c++ client helper should check for command failure
SERVER-8933 bump versions on multiVersion tests for 2.5/2.6
SERVER-9014 Synchronize access to CmdGetNonce::_random.
SERVER-5689, fix and associated tests
SERVER-9050 GLE with w:1 on config servers shouldn't report "norepl" error
SERVER-8899 read-lock while updating ShardChunkManager in trySetVersion()
SERVER-9061 Fix mongostat segfault when using auth with multiple hosts
SERVER-8790 Move ParsedQuery out of queryutil and clean some includes.
SERVER-8790 Add queryutil include required for MultiPlanScanner.
SERVER-8790 Visual Studio -- add db/parsed_query.{cpp,h}
SERVER-8383 make mongos cursor timeout polling same as mongod (4s)
SERVER-9027: allow dbref shard keys
SERVER-9087: fix initial sync ignoring updates during index creation
Add more mutex benchmarks to perftest