Bitfury changes for mining on P2Pool

Bitfury changes for mining on P2Pool.

1) Edit your /opt/bitfury/chainminer/jobconnect.cpp file, change line 16 to match your prefered P2Pool URL.
To set login and password, follow punins advice.

2) At your shell prompt, type the following command

echo -n username:password | base64

3) Now copy and paste the string and replace the one after "Basic". (line 16)

4) Save the file and just write: 'make'
(you have to cd into /opt/bitfury/chainminer)

5) Do not forget to backup jobconnect.cpp
Restart your miner after making changes, remember that the proxy is ignored, so the web-interface pool settings can not be used.