SERVER-11194 ignore non-numeric expiresAfterSeconds on TTL indexes
SERVER-9791 increase log level of "replication batch size is" message to 2
SERVER-11226 fix --keyFile to work with relative path when --fork'd
SERVER-11042 change IndexRebuilder to use NamespaceIndexes rather than a query from DBDirectClient to obtain the list of collection names
SERVER-11249 properly initialize variables in CollectionInfoCache constructor
SERVER-10945 don't end up with double entries in _members after a reconfig