SaVi satellite constellation visualizer savi-dev

Noting unsuccessful unicode experiments.

Updating year, but this is really an excuse to
try to sort out Id tags at client end.

Fixing previous commit to mke it useful.
Problem was updating the sunlight color by
clicking on the color weel -- since it's
drawn as satellie coverage, force a redraw.

adding in updates for when you change colors in
color wells while simulation stopped.

fixing typo - adding space.

updaing sun-synchronous scripts to use formula,
only turn on sunlight once Geomview is frozen.

Adding in a simulation of Reflect Orbital.

After a bit of book-checking, we've updated the geocentric constant slightly.

Adding commentary on source of mu value - there are different sources.

Putting geomview changes inside ui freeze in tianquin.

Fixing local copy of svn to honour cvs Id tags - again.

Updating dead surrey.ac.uk urls to live lloydwood.sourceforge.net ones.