CKAN: Ticket #2982: Move functionality from controllers into template helpers

CKAN: Ticket #2982: Move functionality from controllers into template helpers http://localhost/ticket/2982 <p> From Toby: strip more functionality from controllers and add via template helpers eg activity streams </p> en-us CKAN http://assets.okfn.org/p/ckan/img/ckan_logo_shortname.png http://localhost/ticket/2982 Trac 0.12.3