Add Dragon Breath as possible trophy for Ether Wyrm defeating.

Add Dragon Lightning weapon as one of available trophy while researching dragon remains

Fix special project conditions to prevent getting technology earlier than its prerequirements

Add missed descriptions for events and remove debug code.

Lost fixes for special project time values

Version 2.0 upload

This version consist of the following changes:
- separate roaming dragons from vanila Hoard Guardian completely
- Rename all dragons according with comments Whelp-Wyrmling-Dragon-Wyrm
- Add dragon names for all dragon fleets to distinguish them one from another
- Add special projects for dragon remains after kiiling it.
- small fixes and tunings.

Fix possible interactions with vanilla Dragon Hoard events

Small changes in values for better balance

Initial Upload