fixed: Setting streamdetails for auto thumbs/flags didn't work for items with incomplete/empty infotags
fixed: Make sure item has a VideoInfoTag before accessing it
Merge pull request #2559 from Tolriq/recursive_playlistitem

json-rpc: add recursive parameter to Playlist.Item directories
upnp: missing playlist & musicvideo nodes for music library
upnp: smartplaylists had incorrect upnp:class
Add support for new libcec method, PowerOnScreensaver
upnp: fixed missing fanart and thumbs for playlist items. fixes #13945
Add isvideo info for slideshow window.
[musicdb] cosmetic: remove CSongMap and just use an std::map instead
[musicdb] cosmetic: make the path / filename index unique
[cosmetics] add the files to string.po to indicate where strings are used
[rpi] fix commit after 0e15d214b4264510e629112554194b74067d84d9
Merge pull request #2565 from ulion/add_slideshow_isvideo_info

Add isvideo info for slideshow window.
videodb: use strings instead of numbers in videodb:// URL
CUPnPServer: fix bad videodb:// URL
musicdb: use strings instead of numbers in musicdb:// URL
videodb: add Filter parameter to GetSetsNav()
smartplaylists: add <group> to group the results on a higher level (e.g. genre, studio, director, ...)
CSmartPlaylistDirectory: add support for grouping to video smartplaylists
videolibrary: update library node XMLs to use the new grouping in smartplaylists