Update networks.py

Darkcoin messagestart will be switched at 1400094580; //Wed, 14 May 2014 19:09:40 GMT

https://github.com/darkcoinproject/darkcoin/blob/master/src/protocol.cpp#L24-L27
Update networks.py

Darkcoin messagestart will be switched at 1400094580; //Wed, 14 May 2014 19:09:40 GMT

https://github.com/darkcoinproject/darkcoin/blob/master/src/protocol.cpp#L24-L27
Update xcoin-hash.txt

url change
Update README.md
Update README.md
Update index.html

p2pool src link removed
Update README.md
Update README.md
Update README.md