Add will_paginate/array to all controllers.
Add true authorization to Wiki and WikiPage models. Override current_ability method to pass in page params.
Add exception handling when CanCan denies access to redirect to root.
Move accessible wiki helper to Wiki model and update code in Ability model.
Modify permissions so that only the Wiki owner can delete it (not collaborators).
Remove old before_filter in WikisController, now replaced by load_resource.
Fix bug in load_resource in WikisContoller that was preventing shared users from accessing wikis (due to not being current_user).
Use load_resource in WikiPagesController to replace old before_filters.
Fix bug in delete_page method in Wiki model. Page seems to be deleted but render/redirect not working.