Merge pull request #635 from rjc123/newsites

Add aliases for PHE comare site
Merge pull request #636 from rjc123/admin

Exclude www.gov.uk from known_domains tool
Correct ordering for /nationalcollege asset download query string params
Initial configuration for customs.hmrc.gov.uk
Merge pull request #638 from rjc123/newmappings

Initial configuration for customs.hmrc.gov.uk
Merge pull request #637 from rjc123/newsites

Correct ordering for /nationalcollege asset download query string params
Configure yjb publications hub site for transition
Revert "Correct ordering for /nationalcollege asset download query string params"

This reverts commit 8e241d1b028c2ff7d922f403c0bef76c06ebe39d.
Merge pull request #639 from rjc123/newsites

Configure yjb publications hub site for transition
Change of date for IPO
Merge pull request #640 from rjc123/newsites

Change of date for IPO
Add script to auto-config a site and generate mappings, as part of bulk config