1.8 version update

Add possibility to find a planet with dragon egg and grown your own dragon

Initial Upload

Introduce event chain to develop means to scare dragons out of your space

just remove occasional garbage files from mod

- Fix possible issue with dragon dead body placement and trophies
- Avoid recursion in event calls

- Fix initial appearance at wrong system
- Fix issue with country auto-removal when all dragon are killed but there are still planets with Eggs
- Give second chance for dragons in first 200 years, if all are killed, place new Egg somewhere. This prevents situations when dragons killed eventually by Fallen, for example and player never encounter any dragon.
- Add descriptions for encounters with different dragon types.

Fix issue which prevents dragons from entering the owned space

Fix broken code that selects initial system for the Dragon.
Fix Fallen Empire systems avoidance code.

Rename reverse-engineered dragon weapons and made them less powerful than dragon's one.