New Resources and load sequence.

- Crystal factory and storage have been added to game and settings.
- Fuel factory and storage have been added to game and settings.
- Population factory and storage have been added to game and settings.
- Load sequence changed slightly. At resume all objects are recreated,
updated from save and then any updates that have been hard-coded.
- Saving and loading have been redesigned to break up the large repeats
of code into smaller manageable chunks.