[1.12.2] 1.80pr1.2

• Fix term.getTextScale() not working across multiple monitors.
• Fix computer state not being synced to client when turning on/off.
• Provide an API for registering custom APIs.
• Render turtles called "Dinnerbone" or "Grumm" upside-down.
• Fix getCollisionBoundingBox not using all AABBs.
• Experimental: Add map-like rendering for pocket computers.