Added Click() to books

Fixes #83
Increased shop layers to allow people to appear walking behind it

Also includes tiny bit about adding new shops
Snow ring moved to new path
Added support for more shops
Trade shows names without html and gold is now properly formated
Map changes.

Added new shop named "Marvelous Magical Mystery" to Diagonal Alley.
Made HQs more roomy
Few pretty changes outside hogwarts