[#66837044] Platform Wording: 'Mainstream' to 'Whitehall', 'Specialist' to 'Publisher'
Merge pull request #47 from bitzesty/66837044-platform-wording

[#66837044] Platform Wording: 'Mainstream' to 'Whitehall', 'Specialist' to 'Publisher'
Merge branch '69139858-limit-the-length-of-string-fields' into alphagov_master