nvidia-docker: init at 2.0.3

nvidia_x11 and persistenced were modified to provide binaries which can be
mounted inside a docker-container to be executed there.

most ldconfig-based discovery of bundled nvidia libraries is patched out

ldconfig itself is patched to be able to deal with patchelf'ed libraries
See https://sourceware.org/bugzilla/show_bug.cgi?id=23964

pkgs/os-specific/linux/nvidia-x11/persistenced.nix

@@ -16,6 +16,11 @@ stdenv.mkDerivation rec {
   installFlags = [ "PREFIX=$(out)" ];
 
   postFixup = ''
+    # Save a copy of persistenced for mounting in containers
+    mkdir $out/origBin
+    cp $out/{bin,origBin}/nvidia-persistenced
+    patchelf --set-interpreter /lib64/ld-linux-x86-64.so.2 $out/origBin/nvidia-persistenced
+
     patchelf --set-rpath "$(patchelf --print-rpath $out/bin/nvidia-persistenced):${nvidia_x11}/lib" \
       $out/bin/nvidia-persistenced
   '';