added respond with @page for api
added api scope with pages and elements
added XSRF-TOKEN security methods
render with protection @content
render_with_protection @elements
render with protection @language
render with protection tags
render with protection @pictures
responds to :json
render woth protection
added index, respont to json and render_protection
respond_toJson, render with protection
added /api/ adnrelated controllers
only show index api scope