Added image proxy helper to organisation app
Added image proxy helper to organisation app

Sinar/popit,mysociety/popit,Sinar/popit,Sinar/popit,mysociety/popit,mysociety/popit,mysociety/popit,Sinar/popit,openstate/popit,openstate/popit,openstate/popit,mysociety/popit,openstate/popit