Add pirate sprite.
Add barrel sprite.
Fix meta files with incorrect configuration.
Merge branch 'pirates' into develop

Conflicts:
	Assets/Sprites/Environemnt/Prison_Food_Plate.png.meta
	Assets/Sprites/Environemnt/Prison_Steak.png.meta
	Assets/Sprites/Environemnt/Savannah_Tiger_Trapped.png.meta