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- Add pidgin-ncurses-6.0-accessors.patch: Fix build with NCurses
6.0 with WINDOW_OPAQUE set to 1 (pidgin.im#16764).

- Add pidgin-2.10.11-fix-sound-play-fd-leak.patch: fix a file
desriptor leak while playing sound files
(pidgin.im#16752, boo#942818).
- Remove GConf schemas generation: GConf is considered obsolete.
- Make perl dependency less strict.

- Fix build with earlier openSUSE.

- Add a Recommends: gstreamer-plugins-good, this plugin provides
wav support that pidgin needs.

- Re-attempt port to GStreamer 1.0 (based on work by David):
+ Add patches, from upstream:
- pidgin-port-to-gst-1.0.patch
- pidgin-2.10.11-gst-references.patch
- pidgin-2.10.11-add-dtmf-support.patch
- pidgin-2.10.11-application-media.patch
- pidgin-2.10.11-init-media-optional.patch
- pidgin-2.10.11-send-video-enum.patch
- pidgin-2.10.11-private-media.patch
+ Replace gstreamer-0_10-devel and
gstreamer-0_10-plugins-base-devel BuildRequires with
pkgconfig(gstreamer-1.0), pkgconfig(gstreamer-video-1.0) and
pkgconfig(farstream-0.2).
+ Switch --disable-vv configure paramter to --enable-vv.
+ Pass --with-gstreamer=1.0 to configure.