Bugfix: Add missing newline to libusb_init failure message
Bugfix: Allow starting non-libusb devices if libusb_init fails

libusb_init fails on systems without (hardware) USB support
Bugfix: serial_autodetect_ftdi: Debuglog FTDI COM port mappings returned, fix type of FT_HANDLE
Merge commit '1a4cfde' into bfgminer-2.10.x
Merge commit 'c6fb74e' into bfgminer-2.10.x
compile unix code on Mac OS X
fixes not finding the config file in $HOME

Conflicts:
	miner.c
ignore file that is generated on Macs