switched visibility over to an enum. updated the project objects accordingly. Added some more unit tests. Updated locale files with visibility text

finsihed adding visibility to project details page as radio button options. Updated public DMPs page to work with new visibility and moved it to the static pages controller since it falls outside of normal security. Updated all locale files accordingly

Moved org specific telephone, address and google maps link to config/branding.yml

renamed layout partials to remove reference to dmponline. Updated configurations so that the code default assets are stored in lib/assets and any instance specific versions would be stored within app/assets. Move static page content out of the large locales files and placed examples of them into config/locales/static_pages