CavePainting bugs and feature requests

Here's where we dump all the things we wish CavePainting could do or do differently.

Bugs

1. User abearnot takes a long time to start up from the kiosk. The walls go black and stay black for about twenty seconds before CavePainting appears.

Feature Requests

1. Slides should not appear mirrored horizontally from the user's perspective.
2. Zooming should be about the midpoint between the user's hands.