README.md: add "Supports and Contact" include IRC,  mailling-list, email.


v0.6.0-alpha (2015-03-20)
-------------------------

Plugin Architecture

Mnesia Authentication

MySQL Auth

LDAP Auth

PG Auth

Mnesia ACL

MySQL ACL

Retained Message...

0.6.0
=====

Tsung MQTT Test

v0.9.0-alpha (2015-03-20)
-------------------------

emqtt_sm, emqtt_cm, emqtt_pubsub performance issue...

v0.8.0-alpha (2015-03-20)
-------------------------

MQTT/WebSocket

v0.7.0-alpha (2015-03-20)
-------------------------

Admin Console


one million connections test...

topic match benchmark tests...

Dialyzer ...

full test cases...

spawn_link to replace 'spawn' and 'link'

=======

## Bridge

## Websocket

## MQTT over Websocket

## Mnesia