(due to missing runpy module)

* Standards-Version bumped to 3.9.1 (no other changes required)

- some packages moved from Conflicts to versioned Breaks
- Homepage field added

  (2.1 and 2.3 are no longer in Debian)
* revision 103 reverted (python dependency is needed for the docs symlink)

(duplicates Source's one)

  * Merge changes back from Ubuntu package:
    - Tighten  depends relationships to '='
    - python: Add an unversioned 2to3' binary (Change pending in Debian)
    - python-minimal: Provide symlink to binary and manpage for
      /usr/bin/python2 (Closes: #566266)

modified:
  debian/changelog
  debian/control
  debian/rules

* bump minimum required debhelper version to 6.0.7 (due to dh_lintian)

* Add some lintian overrides (for false positives)

    python versions. Closes: #583683.