up to 25.0.1364.5
extract_version: handle .tar.gz urls
can't use lite tarball, as it does not contain v8 code
merged
up to 25.0.1364.26
skip delete remoting/base/resources_unittest.* to get build going
up to 25.0.1364.29
cleanup qt framework files
builds with system ffmpeg!
BR: elfutils-devel, python-ply

detected by cleanbuild
pass compiler env to gyp, not make

passing CC, CXX, CFLAGS, CXXFLAGS, LDFLAGS to gyp, so it has chance to
filter out unwanted -fstack-protector, etc

this way most of the build is with stack protector, but nacl parts,
filtered out (native_client/src/trusted/service_runtime/linux/nacl_bootstrap.gyp)

however seems still need to pass host flags, as v8 build uses different
vars for compilation.
follow header protection convention
improve system libXNVCtrl patch; actually apply it
clean empty dirs only in tarball creation
clean java/ and tools/
for beta and dev channels, move the diff pointer
cleanup deps with help of cleanbuild; fix libxnvctrl bcond
link with libpci, because xserver loads it anyway
use usb-ids from system usb.ids
restore BR hicolor-icon-theme, needed to verify icon dirs in .spec

reverts removal from ef1210649c87fe02582e07d6b3f083ccfc4a71ef as
cleanbuild does not check .spec changes apparently