Merge pull request emqx#274 from emqtt/dev-feng

fix issue emqx#273

08-26

Merge pull request emqx#263 from emqtt/dev

0.10.1 and fix issue emqx#262 - Add 'http://host:8083/mqtt/status' page for health check emqx#262

up dashboard

subscribe/2

Merge branch 'dev-hd' into dev

0.9.0

rel

0.8.5