SERVER-12215 createIndex and ensureIndex do not report error with write commands
SERVER-12430 Internal sharding write ops not using write commands in shards
SERVER-12464 Added warning for unreadable NUMA files

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>
further debugging in server8070.js
SERVER-12492: don't overflow counter in cloner
SERVER-10361: fix timeAcquiringMicros when yielding
SERVER-10906 Add support for legacy text indexes

FTSSpec now handles text indexes with index option
{textIndexVersion:1}.
Merge remote-tracking branch 'upstream/master'