Apply fix to bench_test3.js to jsCore version
SERVER-13307 do not try to index ELEM_MATCH_VALUE if a child predicate can't be indexed
SERVER-13310 Check error status for nested configuration data
SERVER-13312 Fix type of operationProfiling.mode
SERVER-13331 lower GridFS default chunk size to 255k
SERVER-13328 enhance "updater not supported" error message
Merge remote-tracking branch 'upstream/master'