Refactor unit tests
Closing settings window goes back to what was previously in view
Display comments using PURE
Html formatting
Make all pages use PURE templates
Move model-like stuff out of page display handlers
Add missing PRODUCTS_URL
Put page initializations inside IIFE's
Remove unused initializers from PageView
Initial hide of pages in css instead of js
Fix problem caused by PURE replacing template elements on render
Split Page object from inside PageView
Use Pages directly in PageView instead of page ids
Make dom page part of page object
Don't pass useless id parameter to onDisplay anymore