fix album rating wasn't saved in the database
Merge pull request #4518 from astiob/convert_quad

Clean up convert_quad slightly and fix subtitle corruption with new libass
Merge pull request #4158 from stefansaraev/mount

udevprovider fixes
Merge pull request #4546 from t-nelson/curl_no_more_than_two_in_multi

Curl multi-session fixes
Merge pull request #4573 from jmarshallnz/dxva_yuv_range_fix

[dxvahd] attempt to fix colour range
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
xrandr: remove method RestoreState
xrandr: observe orientation
xrandr: allow getting info for multiple screen's

Refactored by: Joakim Plate <elupus@xbmc.org>