Merge pull request #176 from rjc123/newmappings

New trump and extra mappings for 8 depts
number10 and dpm homepages and number10 news regex
Set up Number10 preview for akamai workaround
Set up tests properly
Merge pull request #177 from rjc123/newsites

Set up Number10 preview for akamai workaround
Home page update for the tests for No 10
Updated homepage for DPM Office
Updated mod.uk test to be correct
removed www.number10.preview tests
Merge pull request #178 from rjc123/newsites

Updated mod.uk test to be correct
New mappings for home office
Whitelist edits for no10 and dpm
Merge pull request #180 from rjc123/newsites

Whitelist edits for no10 and dpm
Prelaunch mappings for no10 and dpm
Merge pull request #181 from rjc123/newsites

Prelaunch mappings for no10 and dpm
Merge pull request #179 from rjc123/master

New home office mappings
New cabinet office mappings
Launch mappings number10