Merge pull request #44 from rjc123/master

Remove byot and add tools.mod.uk as generic tools subdomain for MOD
Add more Environment Agency flood redirect rule

- This deals with floods/riverlevels/MULTIPLE_DECIMALS.aspx and their
  Welsh equivalents in a regex.
Add domain support for Justice partial redirects

To support https://github.com/alphagov/redirector/pull/537
Remove redundancy
Merge pull request #46 from rjc123/patch-3

Add domain support for Justice partial redirects
Merge pull request #45 from alphagov/add_more_ea_flood_rules

Add more Environment Agency flood redirect rules
Add missing whitelist entries
Merge pull request #47 from alphagov/sfa_tna_missing_whitelist_entries

Add missing whitelist entries
Add royal navy site to whitelist for QHM transition