SaVi satellite constellation visualizer savi-dev

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.

Adding Tianqin gavity wave-sensing constellation.

Updating dialogs to match minor changes in SaVi 1.6.

We lose the titlebars as these vary between systems.
At some point all images will need updating together.