Small graphics update

[Compatibility: existing games will continue running without an issue]

This is a small update to address some graphics issues while we build the trailer!
- Tweaks to improve various visuals
- Spinning Fireball is back!
- Lots of text tweaks
- improved biohazard icon
- Sound settings are remembered again

Send any bugs or issues via the ? button at the top of any screen!
The Exospecies Team