Merge pull request #287 from alexxy/bitfury

Bitfury changes
Bitfury BF1 source files added
BF1 driver working
Cleaning up the bf1 driver code
Corrected hash rate estimation for BF1. Only 756 out of 1024 nonces
are scanned.
modified to use LukeJr:'s new code
BF1 driver modified to work under Windows
-> packing of structs isn't working with Windows
Bugfix: bf1: Fix warnings
Merge tag 'bfgminer-3.1.0' into bigpic

BFGMiner version 3.1.0
Merge tag 'bfgminer-3.1.1' into bigpic

BFGMiner version 3.1.1
Merge tag 'bfgminer-3.1.2' into bigpic

BFGMiner version 3.1.2

Conflicts:
	miner.c
Merge tag 'bfgminer-3.1.3' into bigpic

BFGMiner version 3.1.3
Merge tag 'bfgminer-3.1.4' into bigpic

BFGMiner version 3.1.4
Merge commit '9a62026' into bigpic
Bugfix: bf1: Add missing header to Makefile.am, and fix .dname/.name
bf1: Reduce loglevel of debug messages
bf1: Clean up log messages
Rename bf1 driver to bigpic, as the same device has other brands too
Merge pull request #288 from anajavi/bitfury

Use newer driver code.
Merge branch 'bigpic' into bitfury