SaVi satellite constellation visualizer savi-dev

Messed up a whole bunch of scripts when suppressing all but first
orbit circle - n is the number of the loaded satellite. Ooops.

Upadting Ubuntu versions tested list.

Fixing really stupid error that broke all helpfiles. Do better...

Minor tweak to helpfile autotext - this warning should never show up.

Updating Starlink script comments in view of their
latest FCC filing.

Noting OneWeb bankrupt

If sunlight is on, changing number of color shades needs to honor the
sunlight labels and not insert numbers. We could probably clean this
up better than writing the numbers then replacing them...

Celstrak is the source used most, so noting that.

Weird that Planet Lab's own tle is also including
other random stuff.... RapidEye? Skysat?

Adding OneWeb to TLE list now they've launched more.
Really need to rewrite this code to pass urls directly;
it's painful as is.

Details tweaks - default text is now always visible, at the bottom,
Recreating the window is inelegant, but a simple way to prevent a
crash if launching then immediate Empty Space... -- and it does
draw attention to the information.