Add tools to check domain status pre-transition
Add tool to automatically create list of known sites
Add tool to get copies of the whitehall mappings files quickly
Configure Highways Agency on transition
Configure UKCES on transition tool
Merge pull request #600 from rjc123/newmappings

Configure new sites on transition
Configure DCLG Local Government Finance on transition app
Configure charity commission on transition app
Add aliases to main defra site
Configure additional alias for EA main domain
Configure Insolvency Service legacy domain on transition
[EA] Update publications TNA timestamp

The timestamp we currently have is much older, this new one will:
* have PDF links which end up at the cdn.environment-agency.gov.uk URLs which
  are archived by TNA, rather than the rackcdn.com URLs which are not archived
  by TNA.
* have coverage of documents published between the two dates
Merge pull request #596 from rjc123/newsites

Configure new sites to transition
Merge pull request #601 from rjc123/newmappings

Configure DCLG Local Government Finance on transition app
Merge pull request #602 from alphagov/update_ea_publications_tna_timestamp

[EA] Update publications TNA timestamp
Update webarchive timestamps for EA domains
Merge pull request #603 from rjc123/newsites

Update webarchive timestamps for EA domains
Resolve zendesk ticket for direct.gov mapping
Merge pull request #604 from rjc123/newmappings

Resolve zendesk ticket for direct.gov mapping
Add some extra_organisation_slugs for BIS

- Now https://github.com/alphagov/transition/pull/245 is merged, give
  people an example of how to add extra organisation slugs. These are
  real BIS organisations - GO Science and British Hallmarking Council.