add some missing multi media keys
X11: squash multi
X11: do not poll default monitor
X11: fix broken monitor switching
X11: remove polling for connected outputs, use xrr events
X11: remove grabbing of keyboard and mouse
X11: set ExposureMask on gl window, fixes not updated areas
X11: drop shortcuts, have WM do this
X11: adapt to new settings
X11: adapt to changes in cstdstring
ActiveAE: correct time of buffered samples by resample ratio
ffmpeg demuxer: faster channel change for PVR addons without internal demuxing
(such as MediaPortal, ArgusTV, MythTV, NextPVR)
Credits: FernetMenta, Davilla, Popcornmix, Whaupt
ffmpeg demuxer: make sure we start mpegts video with an i-frame
DVDFactoryDemuxer: skip streaminfo for udp tcp and pvr-channels
linux: add shared lib for sse4 operations
vaapi: option to enable sw filters
X11: check for user output on resize window
dvdplayer: flush ffmpeg after hw decoder returned an error