bfgminer second generation - synced to upstream bfgminer 3.10

New release of modifief bfgminer with complete support of HybridScryptHas256 PoW.
This build of bfgminer does not require anymore an external mcproxy (but rather it is fully integrated).

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bfgminer 3.10.0 configuration options summary

CFLAGS...............: -Id:\mingw\include\ddk\ -pthread -g -O2 -Id:/mingw/
include/libusb-1.0 -Id:/mingw/include -pthread -Ilibblkmaker -Id:/mingw/include/
hidapi
LDFLAGS..............: -lsetupapi -pthread -Llibblkmaker/.libs -Wl,-rpath,$$O
RIGIN/libblkmaker/.libs -lpthread -Ld:/mingw/lib -lcurl -lcurldll -Ld:/mingw/lib
-ljansson -lpdcursesw -lws2_32 -lm -Ld:/mingw/lib -lusb-1.0 -lblkmaker_jansson-
0.1 -lblkmaker-0.1
Installation.prefix..: /usr/local

Enabled..Lowlevel....: hid usb vcom
Disabled.Lowlevel....: pci
Enabled..Drivers.....: antminer avalon bifury bigpic bitforce bitfury_gpio cai
rnsmore drillbit erupter hashbuster hashbusteravalon hashbusterusb hashfast icar
us klondike littlefury modminer nanofury proxy proxy:getwork twinfury x6500 ztex

Disabled.Drivers.....: bfsb bitforce:uio cpu knc metabank opencl proxy:stratum

To enable proxy:stratum, install libevent 2.0.3+

Enabled..Algorithms..: SHA256d
Disabled.Algorithms..: scrypt
Enabled..Options.....: libusb pdcursesw
Disabled.Options.....:

antivirus check results:
https://www.virustotal.com/en/url/656b45202714809f23c6adf08bf0cf2e744a30cbeaffffde8f12561d6d720a96/analysis/1394103845/