* debian/control:
  - Use GTK2 build-depends
  - Build-depend on dh-autoreconf
* debian/rules:
  - Use autoreconf
* debian/patches/required-autotools-files.patch:
  - Autotools requires some files...
* debian/patches/remove-ACLOCAL_AMFLAGS.patch:
  - Remove autotools code for jhbuild that is stopping autoreconf
* debian/patches/use-gtk2.patch:
  - Build dconf-editor using GTK2