fixup plan and template policies

created template pdf pages, moved public pages to new controller, revised auth for public pages

Adds copy template option #148

updated admin_index for templates to not bug for some orgs, reimplimented logic for transfering customizations, changed text according to #338

Updated template controller to use new model helper methods. updates phase/section/question controllers to update template dirty flag. added new routes for customize, publish, unpublish

updated create template policy so that the auth passes if no template.org is specified. the controller attaches the user's org afterward DMPRoadmap/roadmap#191

Updated test so that it does not provide a version or org so that we match what the form is doing DMPRoadmap/roadmap#191

Moved Actions, views, and partials for sections/phases/questions/suggested_answers out of templates, and wrote up associated authorization

added templates history page

renamed dmptemplates to templates