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.