platinum: add xbmc specific field in MediaObject - xbmc:dateadded to pass dateadded with items and not need to stat upnp resources for that
platinum: add SearchSync method to SyncMediaBrowser
platinum: extend default browse/search filter
changes to videodatabase:
 - add enabled flag to files
 - add source entry for paths
 - allow to set dateadded instead of stating
 - allow to get details (cast, streamdetails) when getting list of items
 - ability to enable/disable items
filesystem: fixup redirected exists checks (they would never return true)
deinit databases application exit, disable remote items on video database deinit
upnp: improved metadata reading/writing
upnpserver: add support for tvshows (object.container.album.videoAlbum)
and get more details if asked for it
mediaimport: add initial support with implementation for upnp content directory
GUIWindowVideoBase: get video details on demand if they weren't loaded
[temp] win32: allow to run mulitple xbmc instances