fix reconnect bug,and change mac addr
change local port to rand select, and support at cmd to updata
Merge tag 'v1.00.20.04_20141008'

change local port to rand select,and support at to updata
add trace prefix
add AT CMD process
add uart recv
add ota and uart
add send bc
test BC and uart ok, and change Bc after connect with cloud
modify ota interface, add ack send
fix OTA Bug, UIP poll and uart static var bug
OTA test ok
optimize ota 7min to 3min
updata interface
add opt in interface
reboot ok
change some code for new interface
add eq msg
resize code
resize 3k