Etherwormholes are updated.
- both types (source and destination) are now different in position, name and model colors
- added all missed localisation keys
- better destination placement, try to keep it away from existing wormholes

Fix bug which prevents dragon egg project from appearing at selected planet

Update to 3.0.1

Just trivial update for supported 2.8 version

- fix shooting from the star issue for dragons

- restore travel through natural wormholes
- reduce debug output a bit

2.6 update

- fix ship slots syntax as needed for 2.6
- fix dragons battle computers for optimal ranges
- some small fixes