Added basic development principles
Merge branch 'master' of github.com:guardian/frontend into line-in-the-sand
better test:integration tasks
adding tests
adding tests for colelction show/hide
finishing integration tests for network front
correct testing for timestamp
bettwe timestamp test
no need for header anymore
adding facia test to dev-build
Expired content uses new article design
removing front tests; tidying up, as per main man's advice
ignoring facia tests for now
Refactor dateline
Interactives use the new article layout
Refactor and BEMify headline lists
Whitespace
Top stories static page uses new article layout
Discussion page uses the new article layout
Simple advert format test bed

This gives us a basic system to deliver simple HTML adverts, Eg.

 http://localhost:9000/commercial/jobs
 http://localhost:9000/commercial/soulmates
 http://localhost:9000/commercial/...

As each one evoles in to something more complex we can split in to a seperate controller, as with travel offers.