SERVER-15890 Add correctness test for multi version initial sync.
SERVER-14860 Handle duplicate key/value in btree, for background indexing
SERVER-14860 Re-add support for interruptable background index builds on secondaries.
SERVER-14860 Refine locking scheme for background index builds, to support doc-level-locking storage engines
SERVER-15842 check db pointer after establishing read lock in M/R
SERVER-15655 Fix remove1.js test
SERVER-15684 Make copydb from localhost not call auth
SERVER-15888: fix locking on collection mods in dbtests
SERVER-15888: fix lock for collection creation in profiling
SERVER-13635: fix rollback of collection create in kv engine
SERVER-15888: WriteContext will switch from MODE_IX to MODE_X if collection doesn't exist
SERVER-15888: add invariant check in kv engine that have correct lock for collection create/drop
SERVER-14425: make deadlock logging less spammy
SERVER-15758 fix leak of single query solution in SubplanStage
SERVER-15557 extracted mmapv1 startup options from StorageGlobalParams into MMAPV1Options
SERVER-15557 added support for deprecated dotted names to yaml configuration file options
SERVER-15557 added "Storage options" section in --help output.
             migraged dotted names of mmapv1 options from "storage" to "storage.mmapv1"
                 storage.mmapv1.directoryPerDB
                 storage.mmapv1.journal.commitIntervalMs
                 storage.mmapv1.journal.debugFlags
                 storage.mmapv1.nsSize
                 storage.mmapv1.preallocDataFiles
                 storage.mmapv1.quota.enforced
                 storage.mmapv1.quota.maxFilesPerDB
                 storage.mmapv1.smallFiles
                 storage.mmapv1.syncPeriodSecs
             dotted names (without the ".mmapv1" component) of mmapv1 options before migration
                 will still be accepted but a warning will be raised at startup.
SERVER-15557 disallow setting of configuration options for non-active storage engine
SERVER-15623 Add all RS member states as ReplSetTest constants.

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>
SERVER-15623 Update test of w:0 in getLastErrorDefaults.

As of 0bb7d05 a secondary that refuses the RS config reports
itself "down".

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>