use fixed fall-off time for k-meter
clean up video related messages
implement meter-lineup and VU standard preferences
BBC meter labels are always white
clarify meter preference options
change default VU mode to "0VU = +4dBu (standard)"
add "0VU = +8dBu" VU meter config
limit width and resize meterbride window
meterbridge: meter-type dependent color-schema
meter background color..
allow to en/disable shade and LED meter style
amend to 8deccea6 (resize meterbridge window)
color meterbridge strips
add separator line to meterbridge
increase meterbridge with if scrollbar is not visible..
fix display-type of editor-mixer level-meter
increase saturation of meter-shader
revert VU meter background to default gray-shade
add [master] meter to the toolbar

http://tracker.ardour.org/view.php?id=5601
get meter color from gtkrc style file