RASMOL: spaceorb patch for 2.6beta

[reece at whoville.wustl.edu]

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This patch adds SpaceOrb360 support to RasMol 2.6beta.  This patch has
only been tested with Linux; compatibility reports and patches for other
systems are appreciated. 

The SpaceOrb is a 6 degree of freedom joystick.  It looks like a baseball
mounted on a short shaft; the baseball rotates ±20° or so and translates
about ±5mm from rest.  See http://www.spaceorb.com.  Thanks to John Stone
<j.stone at acm.org> for orb.[ch].

The patch is available at 
  http://dasher.wustl.edu/~reece/src/RasMol2.6b-spaceorb-01.patch.gz
  ftp://dasher.wustl.edu/pub/reece/src/RasMol2.6b-spaceorb-01.patch.gz

- -- 
Reece Hart, http://dasher.wustl.edu/~reece/

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