Merge branch 'wip/packaging/6.12_dfsg.1-1'.

Merge branch 'wip/packaging/6.12_dfsg.1-1'.

* wip/packaging/6.12_dfsg.1-1: (28 commits)
  : Debian packaging for release “6.12~dfsg.1-1”.
  Finalise release “6.12~dfsg.1-1”.
  Document which components are omitted from upstream source.
  Change the upstream version string to our re-packed source.
  Specify to Uscan the Debian mangling of upstream version.
  Use the repack program to produce the upstream source tarball.
  Add a program to re-pack the upstream source to remove non-source files.
  Declare “Standards-Version: 3.9.8”.
  Document how the source package is built.
  Create symlinks for common legacy names for standard library modules.
  Remove reference exclusively to Z-code.
  Refine package description.
  Add editor hints to ‘debian/copyright’.
  Override a false positive Lintian warning about a document name.
  Update license grant text to match upstream.
  Install upstream supplementary documentation.
  Install upstream news document for this version.
  Follow rename of upstream README document.
  Begin packaging upstream version “6.12”.
  Convert VCS buildpackage configuration to ‘gbp’ configuration.
  Update copyright notices.
  ...