huststore release 1.6
A summary of what is in this release since 1.5:
- Add huststore benchmark tool kit & performance report & benchmark log.
- Add "/hustdb/hincrby" for hustdb, and "hincrby" for hustdb HA.
- Performance tuning on hustdb HA & hustmq HA.
- Many other fixes and improvements, 50+ commits since 1.5.