Oktavilla/Porthos-Engine — pull request #139 by joeljunstrom (2012-10-15 09:47:47+00:00)
Title: Use page template as cache key for it's pages

Removes touching the section when updating pages.
Adds touch for page template associations.

Instead sections and items touches their page template when updated and
hence should the page template be used when caching collections of
pages.

This makes it easier to keep track on invalidation of caches.

ping @arvida @lexi