Merge branch 'hr-seek'

Merge branch 'hr-seek'

* hr-seek:
  input: add default keybindings Shift+[arrow] for small exact seeks
  input: support bindings with modifier keys for X input
  core: audio: make ogg missing audio timing workaround more complex
  core: add support for precise non-keyframe-limited seeks
  core: add struct for queued seek info
  commands: add generic option -> property wrapper
  options: add "choice" option type, use for -pts-association-mode
  core: remove looping in update_video(), modify command handling a bit
  core: seek: use accurate seek mode with audio-only files
  core: avoid using sh_video->pts as "current pts"
  libvo: register X11 connection fd in input event system
  core: timing: add special handling of long frame intervals
  core: move central play loop to a separate function

Conflicts:
	DOCS/tech/slave.txt