Make templates page usable for Org Admins and Super Admins ...

started work on super admin templates page

consolidated org_admin and super_admin templates page

moved template logic to org_admin module and consolidated logic for super/org admins

switched from submit button click to form submit

fixed issue with unused js var

fixed broken templates controller tests

switched back to submit button

updated template_options route in integration test

fixed broken integration tests caused by moving templates to org_admin namespace

added tests for copy template

added button to get back to 'all templates' page from template edit page

renamed delete button from 'Cancel' to 'Delete' and added proper cancel button to edit section view

made recommended adjustments and accounted for new template visibility functionality

switched out scopes in favor of flagshihtzu helpers

moved link to Themes to Admin menu

fixed broken tests for the public_pages controller

fixes for tests

refactored template current version queries

pulled in customization view changes

updated user policy for organisation->org renaming

added ability to grant permissions to other users

bugfixes to auth

updated authorization for all controllers ...

-changed from passing through records as feature not supported
-changed 403 error to better reflect what's happening
-added scope to many of the indexes
-added organisation-scope to requests from old org-admin roles
-renamed guidance_groups_policy to guidance_group_policy.rb

added pundit authorization to users