Upstream changes:
* Video support for most major video formats, including importing them off
of camera and adding them to events and tags.
* Publish videos to major Web services, including YouTube, Flickr, Facebook,
and PicasaWeb.
* Runtime monitoring of library directory and auto-import of newly created
files.
* Background writing of metadata (tags, titles, ratings, orientation, and
exposure date) to master files (user-configurable).
* Flagging photos for batch operations.
* Set multiple photos to desktop background slideshow.
* Numerous translation updates.
* Various bug fixes.
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