Updated protocol.md
Replease the timeout with ntime
Update Changelog (Another place: https://en.bitcoin.it/wiki/Avalon3#MM_Firmware)
Merge branch 'avalon3'
Add bin/
Add long coinbase1 support. (support p2pool after this commit)
Bump version to 331408
Update ChangeLog, add 2014-08-08
add i2c 0x80000700
add i2c ucf
add i2c int, number 2
enable i2c test
UART coding and fix the code style
Replace UART with IIC
Add DEBUG_IIC_TEST for iic_test()
Using hexdump
Change defination
Use more elegant debug functions instead of debug32
Use iic to send/recv mm packets
Update Avalon3.5 branch version to 3514xx