[dns] - check parameters for validity - fixes #13975 - credits to flaterichd
[pvr] bump add-ons to https://github.com/opdenkamp/xbmc-pvr-addons/commit/96774c4f775b156a46fb58151379dece3e773c96
configure: add --enable-pvraddons-with-dependencies switch
for intree building of PVR Addons
VideoRenerers: add buffering
linuxrenderer: delete all textures on reconfigure
drop frame counter in application, ask render manager instead
videoplayer: adopt lateness detection and dropping to buffering
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
video player: present correct pts to user for a/v sync (after buffering in renderer)
vaapi: adopt to buffering in renderer
vdpau: redesign
linuxrenderer: drop method RenderMultiPass
linuxrenderer: implement progressive weave for vdpau
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