Allow passenger view to move left/right/forward/backward using arrow keys (rotate with Alt-arrow keys)
3D Cab: gauge type solid works with name to be like AMMETER:1:10:100, indicating this gauge is the second ammeter, width 10mm, max length 100mm. The color and direction/orientation follow those defined in .cvf
3D Cab: 3d digits can now use custom ACE file for the digits, name the part as CLOCK:1:15:CLOCKS, which will draw the second clock with 15mm tall, and CLOCKS.ACE file in CABVIEW3D. If no ace is specified, default will be used.
git-svn-id: http://svn.uktrainsim.com/svn/openrails/trunk@2891 a9f3cfff-6c41-7446-b0ca-052bd761e6eb