This switches a majority of the applications to using qt5.mkDerivation
which automatically adds wrapQtAppsHook.
In certain places, where GLib and gtk intersect with Qt, we
also needed to use wrapGAppsHook. In these cases there will
be multiple wrappers.
- Update to version 1.3.1
- Currently does not build on aarch64-linux. It seems that in the libpng
package (which is bundled with freeimage) neon is not available on the
platform, but is detected as being available.