Adding mapit-2 server
Adding mapit-2 server

We've built and tested one MapIt server in Integration.  The time has come to
add another so that we can run them in a load balanced pair like the existing
(old) servers do.

https://trello.com/c/LrsfgWXN/30-test-the-new-version-of-mapit-in-integration

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet