Merge pull request #4624 from FernetMenta/paplayer

paplayer: dvdplayercodec - check if seek is possible before trying to se...
Merge pull request #4626 from Voyager1/fix-trac15163

[fix] only check video playlist status to determine fullscreen playback
Merge pull request #4619 from fritsch/aefixes

ActiveAE: correct time of buffered samples by resample ratio
Merge pull request #4615 from bombizombi/master

Fix for OSD auto hide not working
Merge pull request #4601 from jmarshallnz/play_media_sort_order

[builtins] PlayMedia() should use a sort order appropriate for the items
Merge pull request #4616 from kit500/master

fix resume behavior for plugins with stack
Merge pull request #4614 from Montellese/upnp_player_logging

upnp: add some potentially useful logging to CUPnPPlayer::PlayFile()
[gui] fix incorrect parsing of relative <width> and <height> tags
videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
videoplayer: some rework and documentation
renderer: bump buffers to 5
videoplayer: update frametime, it might change due to fps detection
videoplayer: give streams with invalid fps a chance for fps detection
dvdplayer: allow rewinding at end of stream, do a seek after rewind
X11: ditch SDL for video and window events
X11: Add xbmc icon
X11: add SDL joystick until we have a better solution
X11: factor out code handling device reset notification
X11: move xrandr events to WinEventsX11