Panthera 2.0 Editor

Hello guys! Here is a update for the editor!

Changelog

Add adjustable per-project text font size
Add stable JSON key order. No unnecessary diffs!
Migrate to Defold 1.8.0
Fix initial timeline key values with the initial animation property. This affects the playing animation at runtime. Resave projects if you encounter any issues
Fix atlas project renaming. It should no longer break dependencies and will use the atlas_id field of the project
Various fixes