Merge pull request #703 from rjc123/master

Some tool amendments
Modify shift site utility to clean popular test files
Merge pull request #706 from rjc123/admin

Modify shift site utility to clean popular test files
Transition non-asset, non-rule businesslink sites to transition tool

Conflicts:
	data/tests/popular.csv
Merge pull request #708 from rjc123/businesslink_site_shift

Transition non-asset, non-rule businesslink sites to transition tool
Shift businesslink_improve to be managed by transition
Merge pull request #709 from rjc123/businesslink_improve

Shift businesslink_improve to be managed by transition
Add commas to directgov mappings, so sort|uniq will work properly
Resolve https://govuk.zendesk.com/tickets/733730 by adding mappings
Merge pull request #710 from rjc123/zendesk

Resolve zendesk ticket for direct.gov mapping
Migrate directgov_jobseekers to be managed by transition
Associate directgov site with government digital service
Sort lrc.businesslink.gov.uk transaction mappings
Construct mappings to replace transactional configuration for businesslink_lrc
Sort mappings and add transaction return pages for businesslink_lrc
Canonicalise old urls
Eliminate duplicate query string entries
Canonicalise new urls
Add businesslink tools to redirector whitelist
Resolve zendesk ticket https://govuk.zendesk.com/tickets/734831