SERVER-14425 fixed compilation error in fast_map_noalloc_test
SERVER-10545 delete old query system tests

These tests are for old query code that is no longer in place, and are
not part of any regression suites.
SERVER-15375 lazily initShardVersion only when needed
SERVER-14352 rocksdb: Read our writes

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>
Merge remote-tracking branch 'upstream/master'