SERVER-16257 - replSetInitiate races with initial sync, resulting in no primary
SERVER-16192: Add ScopedTransaction to automatically commitAndRestart()
SERVER-15269 db.shutdownServer terminates JS execution cleanly
SERVER-16254 Add invariantOK and improve invariantWTOK
SERVER-16199 Use WT bulk cursor for bulk index builds
SERVER-16266 Change wiredtiger engine name to wiredTiger.