SaVi satellite constellation visualizer savi-dev

Will this get the Id tag to work?

Adding first cut at simulating Amazon's Project Kuiper,
based on recent July 2019 FCC filing. Also reorganised
the constellations menu a little to accommodate it.

Adding missing TLE load dialog box, which I'd forgotten to add to repository,
even though it was listed in the Makefuile.

Tweaking starlink script text for clarity.

More starlink script text tweaks.

Minor tweaks to the Starlink naming. There's
a planned inner shell below this one... so
this is better called the first shell.

gcc 8.3 has a checker complaining about string size overflow - but if you increase the array size,
it just increased the size of the estimate it complains about. Still, doubling can't hurt.

Removing -ansi flag, which was causing segfaults on first writing to the
geomview pipe under Geomview.

Simulate the first six planes' deployment as well, if you like.

Fixing typos in starlink simulation