Add a job for the manual

Dependencies

• [2] IZYR3KTL release.nix: Get rid of the "system" argument
• [*] T4LLYESZ * Nix expression for building Hydra.
• [*] 7C6HSXUQ * Start of a regression test for Hydra.

Change contents

• edit in release.nix at line 181
  [2.200]

  [5.51]
  +

  + manual = pkgs.runCommand "hydra-manual-${version}"

  + { build = builtins.storePath /nix/store/pi4dqvk3r5jlnbdb4lic5jff3wzn01qh-hydra-0.1.1234.abcdef;

  + }

  + ''

  + mkdir -p $out/share

  + cp -prvd $build/share/doc $out/share/
• edit in release.nix at line 189
  [5.52]

  [5.52]
  + mkdir $out/nix-support

  + echo "doc manual $out/share/doc/hydra" >> $out/nix-support/hydra-build-products

  + '';