Merge pull request #419 from rjc123/master

Add script to report mappings quality
Add some additional asset URLs

Internally, BIS were redirecting from:
http://www.bis.gov.uk/assets/bispartners/cicregulator/*
to:
http://www.bis.gov.uk/assets/cicregulator/*

This means that users could have a link to either form, so we need to
provide a mapping to either form.
Merge pull request #420 from alphagov/additional_cic_regulator_asset_urls

Add some additional asset URLs
Add UKBA seed data for Transition
Merge pull request #421 from alphagov/add_seed_data_for_transition

Add UKBA seed data for Transition
Line up UK Hydrographic Office title with Whitehall
Normalise sites YAML

YAML rewritten according to Psych's idea of canonical

- removes indentation
- removes --- from end of files
Script to add Whitehall slugs (one-shot)
Add Whitehall slug for the organisation which owns each site
Merge pull request #422 from alphagov/add-whitehall-slugs

Add whitehall slugs
Dumb, poor-performing whitehall slug checker
Bump gds-api-adapters
Add Site ability to check all slugs
Add Rake task whitehall:slug_check
Add Directgov and Business Link special cases

Don't check for their slugs - they've never been
in Whitehall.
Add walesoffice_cymru's slug as a special case
Add whitehall:slug_check to the build

(that Jenkins calls)
Deal with directgov_ and businesslink_ sites

Via Redirector::Site#never_existed_in_whitehall? being true
for DG and BL sites, but never for anything else.
Make whitehall_slug_check faster by lots
Add new_site rake task

* Takes abbr and whitehall_slug as arguments
* Won't create sites for non-existent slugs