Merge pull request #3 from JulienMasson/master

Modify functionnality of connect, subscribe and suback
Merge pull request #4 from JulienMasson/master

fix the condition problem for _mqtt_subscriber_name_exists(...)
Clean up the code : remove printf causing segv and define not at the right placeon.
Merge branch 'master' of https://github.com/JulienMasson/emqtt into JulienMasson-master

Conflicts:
	src/lib/emqtt_server.c
Merge branch 'JulienMasson-master'
Remove unused function
Create ipv6 and ipv4 udp server
formatting
fix use of ipv6/ipv4 on server side
User fd per connected client and send data to the connected client
Subscribe messages per client and keep list of topic per clients.
warnings-- when building subscribe client
Add connection_closed state, better printf output by using a common send_data function
Warnings --

add missing file
Ecore con is not used anymore
* Add EAPI on front of exproted API
* Fix coding style in Enum
Add gw_id on server side
Implement gwinfo and advertise on server side
Firt step in implementation of wildcard topics