Implement MQTT protocol
Fix mqtt Documentation
Rename "mqtt_reset"
Actually implement mqtt_is_connected
Add 'mqtt_' prefix to construct_*_packet methods
Expand mqtt documentation
Remove unused includes in mqtt code
Add mqtt_ prefix to abort_connection
Rename static mqtt variables, add prefix
Enable multiple callback slots for mqtt
Fix no newline at EOF
Merge pull request #365 from AnDann/newline_fix

Fix no newline at EOF in netio_addon.m4
add 12bit led fading support to pwm (possibly breaks other pwm functionality)
Some bugfixes if used without cie1931_correction
Merge branch 'mqtt' of http://github.org/tu500/ethersex into devel_pwm_mqtt