Schools of the Planes!

08n- Planescape3

Added two new schools to the Planescape Conference: Callanar the White Spires and the Obsidian Tower.

In addition, I updated the text of the description of the Great Wheel Cosmology to include the World Serpent Inn and too many demiplanes to list.

Also, the Division B schools include the University of Kerith-Ald.