guidance and guidance groups controller changes

re-wrote data access for guidance_groups controller

updated prefetching for guidances index

updated guidances controller and views to reflect new schema

fixed a display bug in guidances/admin_index

made changes to allow guidance to display

bugfixes to allow org_admin pages to render

changes to _navigation partial to allow org_admin to render correctly

updated user model to allow signin_signout to detect permissions(admin/orgadmin)

updated name for orgs_controller

updated organisations to orgs, and associated views/controller

renamed organisations_controller to orgs_controller

updated user policy for organisation->org renaming

updated users controller

updated users_controller, mainly renaming roles to perms

updated code style in omniauth_shibboleth_request_controller

renamed comments to notes

updated a view for settings controller

code style change in sessions_controller

added comments to home_controller, awaiting discussion

updated contacts_controller

removed organisation_users controller as duplicate from users controller

updated some of the answers structure, commented for future updates

finished update of token_permission_types_controller

final tweks to ensure all migrations happen together

replaced plan roles with bitflags

removed organisation_types and replaced with bitflags

updates so that a user can log into the site \n updated application_controller, user model, registrations edit view, and layouts branding

removed version and updated users_roles to users_perms

made necissary changes to allow the app to display the splash/login screen