Added apt-cacher-ng with feedback from jacknagel

Fix to use interpolation correctly

Apply patch to allow correct recognition of fuse4x

This package was originally built with OSXFuse, however since adamv tried building it the fuse library has been changed to osxfuse.  To help ensure that there's a homebrew package as a dependency that contains fuse, we're now depending on fuse4x

Remove acngfs and in.acng as I've not used them and cannot verify that they work