Makefile: added -gnu to EXTRAVERSION
README: renamed to GNU Linux-libre
Documentation/admin-guide/README.rst: renamed to GNU Linux-libre
Documentation/admin-guide/README.rst: dropped partial Linux version
Documentation/admin-guide/README.rst: Linux is a kernel
Documentation/admin-guide/README.rst: added blurb about GNU Linux-libre
include/linux/firmware.h: added non-Free firmware notification support
include/linux/ihex.h: added non-Free ihex firmware notification support
drivers/base/firmware_class.c: short