Don't count skipped tests as successful in smoke.py

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>
SERVER-12744 port tests for count stage of query execution

Signed-off-by: Matt Kangas <matt.kangas@mongodb.com>
SERVER-12824: slow log at level 0
SERVER-12804: use percent for string formatting
SERVER-8412 remove millis from explain reports before comparing
SERVER-12774 added nscanned to slow query log
SERVER-12774 added nscannedObjects to OpDebug
SERVER-12766 extended plan cache key to include geo coordinate types
SERVER-12660: clean up error codes for parallelCollectionScan
Merge remote-tracking branch 'upstream/master'