SERVER-12497 Eliminate unused, possibly broken Client::resetThread() method.
SERVER-12497 Remove unused, questionable behaviors from ThreadSafeString.
SERVER-11675 more testing of $text in agg
SERVER-12589 Exclude empty sections in help output
SERVER-12127 new legacy write suites for tests using GLE
SERVER-10026 not defined which idx if any we'll use so don't expect bounds
SERVER-12541 Make sure 2.4 users can be restored to a clean 2.6 system
SERVER-12509 allow overriding default buildlog URL with command line opt to smoke.py
Merge remote-tracking branch 'upstream/master'