SaVi satellite constellation visualizer savi-dev

Tidied up script groupings.

Minor tidyup of constellation script groupings.

Reworking for geosynchronous submenu and some fixes to silly issues.

Removing DOS returns with dos2unix.

noting geosynchronous replacing classical submenu.

Trying out a geosynchronous menu.

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.