midway through slight refactor
home page topics
Merge branch 'master' of https://github.com/Financial-Times/next-engels into hp-topics

* 'master' of https://github.com/Financial-Times/next-engels:
  Travis»Codeship
  bower coflict
  Fix bad commit
  linting
  Quieten ~/.ftapi key file missing errors
  ;
  Express Errors Handler
  Add stale-if headers for fastly and increase cache from 20 to 60
  upgrade metrics to 1.0.3

Conflicts:
	server/controllers/uk-front.js
feature-flagging home page themes
Merge pull request #101 from Financial-Times/hp-topics

Hp topics