SERVER-15369: Clean up partially created .ns files
SERVER-15437 wait for replication before proceeding
SERVER-5520 SERVER-15096 do not check exit code for mongoshim in normal operation
SERVER-15437 wait for replication of users in failing SSL tests
SERVER-15442 fix server6733.js
SERVER-5520 do not check exit code on tool invocation
Include oplog entry in fassert about missing version number to help diagnose test failure
SERVER-14668 don't release locks when in a nested context, add support for yielding
BF-532: Revert "SERVER-14668: Replace uses of DBWrite lock with DBLock"

This reverts commit ae333bc94a7d89d3220dcae9579fcaf68aa2e290.
This reverts commit 962f959a09b63aa0482d7e0c9bad89363d1e1194.
SERVER-13635: honor --storageEngine option in spawned processes
Merge remote-tracking branch 'upstream/master'