* Merge from Debian Unstable, remaining Ubuntu changes:
  - use xfce.mk
  - debian/patches/03_desktop_categories.patch:
     make thunar and thunar-bulk-rename appear under Accessories not System
     in the Applications menu
  - bump debhelper compat
  - bump debhelper version
  - build depends on libgamin-dev
  - drop hal, dbus and gamin recommends and depends on dbus-x11
  - adhere to DebianMaintainerField spec
  - drop README.Debian & thunar-data.docs
  - keep our debian/copyright, more up-to-date.
  - build and ship gtk-doc in libthunar-vfs-1-dev package
  - thunar-data replaces thunar-doc, and conflicts with it
  - Homepage, XS-Vcs-Bzr & XS-Vcs-Browser fields updated.
* debian/*.postinst: dropped, cdbs takes care of this anyway.
* debian/libthunar-vfs-1-dev.install: don't try to install the *a files since
  we delete them in debian/rules.
* debian/control: drop uneeded dependencies on thunar-data.
* debian/patches:
  - 00_gnome_dir_handler.patch: dropped, it's probably causing LP #128844
  - 02_gnome_mount.patch, debian/patches/06_eject_fix.patch: dropped
  - 04_thunar-vfs-add-is-mountable.patch,
    05_thunar-vfs-thumb-jpeg_invalid-recursion-in-exif-ifds.patch:
    dropped, included upstream.