libgusb: add new package
Merge pull request #404 from nacho/wip/libgusb

libgusb: add new package
wxPython: Fix sums
binutils: Update to 2.25
gxml: Update version
xz: Update to 5.2.0
gettext: Update to 0.19.4
libpng: Update to 1.6.16
ffmpeg: Update to 2.5.2
gstreamer: Update to 1.4.5
libssh: Update to 0.6.4. Fix pkg-config files, fix cmake files.
setuptools: Update to 8.2.1
pip: Update to 6.0.3
openscad-git: Fix building.
openscad-git: Fix version scheme. Don't need patch anymore
python2: Fix importing SSL module.
python-httplib2: New package.
binutils-git: Don't replace binutils as it newer.
binutils-git: Update to 2-25-branch
binutils: Build gold linker.