version 3.9.3
 - Add documentation for CheeseCamera signals
 - Remove unused Cheese.MainWindow.get_data_file_dir
 - Make the flash background white
 - Fix assertion failures when taking a photo
   Before this patch, Cheese would log the following each time the user
   takes a photo:

   (cheese:21719): GLib-GIO-CRITICAL **: g_file_info_get_size: assertion
   `G_IS_FILE_INFO (info)' failed

   (cheese:21719): GLib-GObject-CRITICAL **: g_object_unref: assertion
   `G_IS_OBJECT (object)' failed
 - Fix updating sensitivity of device selection combo
   If Cheese was started with 1 device, and then a second was added, the
   device selection stayed insensitive, making it impossible to select the
   second device.

   This fixes the problem, and also makes the combo insensitive again when
   going from >= 2 devices to <= 1 device.
 - Downscale image for effects-preview pipeline
   Having the whole effects-preview bin deal with ie 1280x800 images is not
   very useful, especially since even when fullscreen on a full-HD monitor,
   the preview images are smaller then 640xXXX. This useless high-res
   processing for 9 preview images in parallel brings my 2nd gen
   core i5 @ 3.1 GHz to its knees, resulting in a non fluid preview panel.

   Also after clicking through all effect preview pages, so that all effect
   preview textures are connected, cheese will use 1 GB of *resident* RAM
   with the example 1280x800 capture resolution.

   This patch improves this by downscaling the images from the video-source
   to 640xXXX where XXX is determined by the original resolution
   aspect-ratio.

   After this patch the effects preview framerate is much smoother, and the
   latency is noticably less. As a bonus the maximal resident size of
   Cheese in this example is reduced to 350 MB.
 - Do not block the main valve while recording
   Otherwise frames intended for the recording are dropped.
 - Only add videoconvert elements where necessary
   The "no effect" effect is our default value, and thus worth optimizing a
   bit. Clearly in the "no effect" effect case adding a videoconvert
   element both before and after the element is not needed.

   Note we also don't add the videoconvert elements when creating the
   initial pipeline, so this also keeps the way the pipeline looks
   initially and when "no-effect" is selected consistent.

   When starting Cheese with "no-effect" selected, this shaves off another
   130 ms of the initial pipeline creation time.
 - Drop unused preview_caps variable
 - Simplify returned GstCaps
   In cheese_camera_device_get_caps_for_format, simplify the returned caps.
   This results in much simpler caps, which as main advantage that they are
   way easier to read when trawling to debug logs.
 - Fix cheese_camera_device_get_best_format memleak
   cheese_camera_device_get_best_format() calls
   cheese_camera_device_get_format_list(), which returns a sorted copy of
   the format lists, then takes the first element of that list, and
   returns a copy of that element. While never freeing the list copy.

   This patch fixes this leak by simply making the priv->formats list
   sorted so that cheese_camera_device_get_best_format can use it directly
   without the need to make (and then later free) a copy.
 - Fix cheese_camera_device_filter_caps warning
 - Remove unused GstCameraBinFlags enum
 - Fix video-source memleak when switching cameras
 - Improve error handling in CheeseCamera
   Simplify error cleanup in cheese_camera_set_camera_source(). Do not call
   g_error_free() on a possible NULL error in
   cheese_camera_element_from_effect().
 - Fix no-video-after-switching-resolution problem
   There is a bug in wrappercamerabinsrc which causes it to lose its
   video-source setting after the pipeline has started, so on a
   stop/re-start, as when changing resolution, its video-source has become
   NULL, and there is no longer video.

   This patch works around this by moving the setting of the video-source
   property to cheese_camera_play(), so that it gets (re)set each time
   before starting the pipeline.

   I've also written a patch fixing the underlying cause, but since the
   workaround is simple, and has no adverse effects when the underlying
   issue is fixed, it seems a good idea to have this workaround in Cheese,
   see here for the gst-plugins-bad fix:

   https://bugzilla.gnome.org/show_bug.cgi?id=701915
 - Remove extranous csp_post_balance element
   camerabin2 already has a videoconvert element both before and after its
   video-source-filter element, so ending the video-source-filter bin with
   a videoconvert element puts 2 videoconvert elements behind each other,
   which is not really useful.
 - Add a capsfilter to the video-source bin
   This serves 2 purposes. Firstly, it forces GStreamer to actually run the
   video source at the configured resolution, rather then say run it at
   1600x1200 @ 5 fps and downscale that to 800x600 (still at 5 fps), as
   GStreamer opts to do with my Logitech Webcam Pro 9000, when left to its
   own auto negotiate code. Secondly, by greatly reducing the amount of
   advertised caps (this cam supports lots of different resolutions at many
   different framerates per resolution), it avoids a caps intersect
   "explosion", reducing the pipeline caps negotiation.
 - Remove nautilus-sendto sharing support
   As nautilus-sendto can now only share by email, the sharing can be
   handled by a photo management application, or directy by the email
   client.
 - Avoid assert when taking avatar photos too quickly
   If the take photo button was pressed while a photo was being taken, an
   assert would be triggered by the failed call to
   cheese_camera_take_photo_pixbuf(). Avoid this by setting the take photo
   button insensitive while a photo is being taken, and setting it
   sensitive after the photo has been taken. Fixes bug 699596.
 - Post-release bump to 3.9.3
 - Added/Updated Translations
   - hu, courtesy of Balázs Úr
   - ja, courtesy of Noriko Mizumoto
   - th, courtesy of Akom Chotiphantawanon
   - zh_CN, courtesy of tuhaihe
 - Added/Updated Documentation
   - de, courtesy of Christian Kirbach

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