bumped to rc-10
buildMongoObject (md5) error handling, NODE-157
Merge branch '1.4' of https://github.com/mongodb/node-mongodb-native into 1.4
Merge remote-tracking branch 'ian/1.4' into 1.4
Updated history
replicaset kill uses signal 15
Updated runners to all use signal 15
Bumped to 1.4.0
Emit joined event for primary if ha detects primary change
Moved code from ha outside hosts discovery
Add _id to all documents for bulks
Fixed unordered addition of _id on documents missing it
Updated version
updated history
Debug message for non-array command
Add missing `var`.
Merge pull request #1160 from vseventer/patch-1

Add missing `var`.
fixed flaky tests
fix flaky gridstore test
Ping strategy filters out any non connected servers