Audio: tweak the value of the volume sliders to make it feel better to use
Merge remote-tracking branch 'origin/sound_slider_tweak' into librocket
Human hud: hacked health-cross aspect to a square.  Added motion blur to stamina logo
Fix human health icon aspect ratio
Graphics dialog cleanup.  Key bindings colour-scheme change.
Add toggle controls for sprint and wall-walk
Move 'quit game' and version to bottom of menus
Disable all map-voting and map-change features other that "Start match".  Currently broken when used in-game