intel-tbb: cleanup PKGBUILD. Rebuild.
libiconv: Add patches from LRN. Rebuild.
gettext: Don't remove man and info folders.
SDL: Remove -mwindows flag from pkgconfig file to fix ffmpeg issue.
SDL2: Update to 2.0.3.
ffmpeg: Disable workaround as it fixed in SDL now. Rebuild.
Rebuild GCC prerequisites.
qt5: Trying fix building examples. Install examples,doc and translations into prefix/share/qt5 folder.
Merge pull request #38 from sxprophet/master

new recipes: szip 2.1 and hdf5 1.8.12
openblas: bind import lib to libopenblas.dll