SERVER-15361 Access SSLManager before notifying waiters of BackgroundJob completion
SERVER-15309 added support for --upsertFields to mongo shim
SERVER-15325 added mongo shim feature to remove documents from a collection
SERVER-14668 Remove checkShardVersion

Shard version checking needs to be done under a collection lock and it is
already done inside the particular commands, so no need to do it again in
instance.cpp
SERVER-15326 added mongo shim support for applying oplog entries
Merge remote-tracking branch 'upstream/master'