Fixed typos
Update included jansson to v2.4
Fix no -rt library on darwin.
Provide a funcion that looks up queued work by midstate and then removes it from the device hash database.
Use take_queued_work_bymidstate in the bflsc driver to avoid the rare chance repeated results come back from the same work item.
Fix win32 build.
bflsc xlinkstr use snprintf
Merge pull request #485 from kanoi/master

bflsc xlinkstr use snprintf
Merge branch 'master' of github.com:ckolivas/cgminer
First import of libusb-1.0
Show RT_LIBS in ./configure output.
Remove unused and maintainer cleaned files
Use direct auto* files to avoid failure of autoreconf
Remove unused HAVE_LISBUSB macro and use USE_USBUTILS everywhere.
Remove cached files from libusb autoconf on running autogen.sh
Fix libusb subdirectory builds.
Remove examples from libusb Makefile and generated autoconf files.
Add make clean and maintainer-clean to autogen
Fix various libusb warnings and possible bugs on linux build.
Only test for all usb devices once in configure.ac