New firmware released for Avalon4 RPi/703N, Version: Canaan A4-20150331

Firmware Details:
RPi/703N Firmware
    http://downloads.canaan-creative.com/software/avalon4/openwrt/20150331_1012/

ChangeLog:
* Add --avalon4-freezesafe option
* Fix hash rate counter
* Change default fan & overheat for separate miningmode
* Update cutoff process when Avalon4 is overheat
* Correct asic workflow when cutoff is off
* Enable voltage adjustment when cutoff is off
* Enable setting LED on/off through API command
* Add upgrade and status button when upgrade mm firmware finish
* Support mm-tools on TL-WR703N

Fengling