Another bug fix and optimisation roundup,
- Fix issue with items being destroyed (via meteors) led to a crash.
- Optimise droids job checking and path testing logic. Also check droid maintenance status when in charging, repairing or deconstruct job.
- Optimise meteor collision logic and bug where occasionally would get stuck together.
- Some fixes with loading (jobs weren't cleared and some graphical issues).
- Some sound fx, fixes.
cheers, nick