* debian/patches/05_link-libs.dpatch: Rename as...
* debian/patches/link-libs.patch: ...and remove dpatch header.
* debian/patches/gui-0.22.patch: New; fixes FTBFS with gnustep-gui/0.22
  (Closes: #674920).
* debian/patches/00list: Rename as...
* debian/patches/series: ...and update.
* debian/source/format: Switch to 3.0 (quilt).
* debian/README.source: Delete; redundant.
* debian/control (Build-Depends): Remove dpatch.  Add dpkg-dev (>=
  1.16.1~), for hardening support.
  (Recommends): Add gdb.
  (Vcs-Arch): Replace with...
  (Vcs-Git): Since the package is now maintained with Git.
  (Vcs-Browser): New field.
  (Standards-Version): Bump to 3.9.3; no changes needed.
* debian/rules: Don't include /usr/share/dpatch/dpatch.make.  Remove
  patch/unpatch dependencies.  Enable hardening.
  (binary-arch): Remove GS_USE_FHS conditional.
* debian/preinst: Delete; no longer needed.