Refactor FE routes to remove confusing scoping.

This was overly complicated for what boiled down to basically 2 get
routes and a couple of redirects.
Support new contacts URLs

Contact pages are going to be served from
/government/organisations/<org_slug>/contact instead of the original url
of /contact/<org_slug>. This change makes this app support both schemes.
The old one will be removed once everything has switched over.
Merge pull request #143 from alphagov/update_frontend_urls

Support new contacts URLs
Remove contents of config/schedule.rb

This is overwritten on deploy, (and with different jobs), so having this
present is just misleading.
Don't include rendering_app with individual routes.

This only needs to be set on the item, not on the individual routes (see
https://github.com/alphagov/content-store/blob/master/doc/input_examples/generic.json).
This value was being ignored, but it's best to remove it to avoid any
confusion.
Merge pull request #144 from alphagov/remove_schedule

Remove contents of config/schedule.rb
Merge pull request #145 from alphagov/fix_route_registration

Don't include rendering_app with individual routes.
Change the URLs that contacts are registered with.

This changes the URLs for both the index page, and the individual
contact pages to use the new scheme.  There will be a subsequent task to
clean up the old contact URLs.
Task to register redirects for the old URLs
Task to reregister contacts with the content-store
Merge pull request #146 from alphagov/update_contact_urls

Update the URLs that contacts are registered with
Fix router registration.

gds-api-adapters was bumped to 11.x in 8d59353f which changed the API
for the router client.  It no longer commits automatically.
Merge pull request #147 from alphagov/fix_router_registration

Fix router registration.