Expand the versatility of mob blueprints
* Mob blueprints can specify a particular mob type to which they apply
* Mob blueprints can specify a starting health
* Mob blueprints can specify one or more persistent potion effects
Expand the versatility of item blueprints
* Item blueprints can specify a damage value for each item
* Item blueprints can specify a correctly colorized display name for each item
* Item blueprints can specify correctly colorized lore for each item
* Item blueprints can specify correctly interpreted colors for leather armor items
* Item blueprints can specify an owner name for skull items
Remove old example blueprints and add new ones