SERVER-13630 Enhance OwnedPointerVector
SERVER-13630 OplogStart and ParallelCollectionScan no longer rely on storage impl
SERVER-13633 Kill DiskLoc::ext()
SERVER-13632 clean up stagedebug cmd so passing collection around is easlier
SERVER-13713 fix flakiness in cloneDb.js
SERVER-13632 Pass the collection to PlanExecutor and FetchStage
SERVER-13723 fix flakiness in tags.js by increasing timeout