fixed syntax in bulk_insert.js #579
disable partitioned counter perf test for now #598
adjusted some expectations for sharding/bulk_insert.js #579

tokumx has different semantics when it comes to sharded bulk inserts
fixed split_with_force to use the right db #579

also made splitVector protect itself against using the wrong db, to return an
error instead of crashing
fixed stats.js for tokumx #579
Merge branch 'master' into singlekeygen