* debian/control (Standards-Version): Bumped to 3.9.0.
  (Build-Depends): Added dpatch. Replaced python-all-dev by python and fix
  build-depends-on-python-dev-with-no-arch-any.
  (Vcs-Svn): Fixed vcs-field-uses-not-recommended-uri-format.
  (Depends): Fixed debhelper-but-no-misc-depends.
  (Description): Removed implementation language.
* debian/rules: Added dpatch infrastructure.
  (binary-indep): Removed deprecated dh_desktop.
  (.PHONY): Dropped configure target.
* debian/watch: Slightly improved.
* debian/README.source: Added because of patch system.
* debian/patches/585233_fix_python_26_compatibility.dpatch: Added.
  - Fix string exceptions no more allowed in Python 2.6 (closes: #585233).
* debian/patches/00list: Added accordingly.