Change events when fetching models/collections
Add renderer helper
Change posts-template to partial for reuse

When re-rendering the fetched collection, we can reuse this partial to just render part of the template.
Change post collection to allow using the PostFilter
Add more loading styles to loading-controller
Call .destroy instead of reset

This would cause an error when reusing the region for loading
Trigger clicked type
Simplify post by tag and category
Add route handler for tag and category
Minor fixes
Bump marionette version