Dreshtark the Dark Dragon | Boss, Mounting, Hat, Axe and Schematic - MCModels Exclusive 0.5

- Fix: Sometimes the mob would spin strangely.
- Improvements.

Required changes: Update Models, Texture pack and MythicMobs Files

- Added support for ModelEngine r3.0.1
- Improvements.
- Added: Hat and Axe models

- Required changes: Update Models and MythicMobs Files.

- Improvements.
- Added Dreshtark mount model, can be mounted on the ground or air and attacks aggressive mobs.
- Added support for ModelEngine b3.0.0 (for the Boss, the mount not yet)

- Fix: hitbox issues, sometimes the mob could not jump blocks correctly.
- Fix: some Z-Fighting on the wings when flying.
- Fix: dragging before getting the ground if take damage in the air.
- Improvements.