* [ffmpeg] avfilter: fix library ordering on linux and fix feature dependencies

* [ffmpeg] bump port version

* [ffmpeg] add OpenGL, Foundation, CoreGraphics, AppKit and CoreImage for osx (needed for avfilter)

* [ffmpeg] update git-tree

* [ffmpeg] restrict new osx dependencies to avfilter feature

* [ffmpeg] update git-tree

* [ffmpeg] remove avfilter dependencies

Note this exposes a bug in upstream, will need fix in ffmpeg configure script itself.

* [ffmpeg] improve macos framework dependencies

* [ffmpeg] update git-tree

* [ffmpeg] patch for filter dependencies in configure script

* [ffmpeg] update git-tree

* [ffmpeg] apple framework fix: securetransport is part of avformat and not avdevice

* [ffmpeg] update git-tree