CVideoInfoTag: implement == and != operators and Equals()
CVideoInfoTag: implement GetDifferences()
database: deinitialize databases on application exit to disable remote items
media: register CVideoImportRepository
GUIWindowVideoBase: get video details on demand if they weren't loaded
upnp: ignore "Unknown" as a single genre as it is added by Platinum
platinum: fix parsing of upnp:actor in PltMediaItem
platinum: add xbmc specific fields dateadded, rating, votes, studio and artwork in MediaObject

xbmc:dateadded to pass dateadded with items and not need to stat upnp resources for that
xbmc:rating for number-based rating
xbmc:votes for string-based votes number
xbmc:studio for an string-based array of studios
xbmc:artwork for a type-url-based mapping of artwork
platinum: add SearchSync method to SyncMediaBrowser
platinum: extend default browse/search filter
upnp: set SearchCapabilities of UPnP server to "upnp:class"
platinum/upnp: implement GetSearchCapabilities in media browser
upnp: improve metadata reading/writing and add support for tvshows (object.container.album.videoAlbum) and musicvideos (object.item.videoItem.musicVideoClip) and get more details if asked for it
upnp: add IMediaImporter implementation for UPnP items
media: add IMediaImportHandler implementations for movies, tvshows, episodes and musicvideos
video library: allow opening the info dialog for imported media items
filesystem: add CImportDirectory for import:// paths
videolibrary: add "Imports" nodes
[win32] update VS project files
win32: allow to run mulitple xbmc instances