zlib: add support for newer minizip functions
cocos2d-x-git: Now works again on git HEAD
gstreamer: Update to 1.4.1
openblas: Fix dependencies.
matplotlib: Fix URL.
clutter: Update to 1.19.10
clutter-gst: Fix building.
pitivi-git: Fix pkg versioning
Fix architectures.
qt5: Don't use system wide CFLAGS, instead use our own.
qt5: Remove unneeded sed
python3: Remove hack.
python packages: Fix errors.
libgpg-error: Update to 1.16
libsigc++: Update to 2.4.0