Merge pull request #69 from Financial-Times/wrapper

Wrapper
dummy commit to force ci
removed raven
Upgrade header to cope with new user-prefs API
added smoke tests for urls served by the app
removed main.css/js tests as the need to be run after a build
made the smoke tests run after a production build
Force rebuild to get latest next-wrapper
updating fetaure flags semver
wrote some helpers
local copies of fixtures
Merge pull request #70 from Financial-Times/smoke-tests

added smoke tests for urls served by the app
more widespread use of flags
keeping wrapper at v1 to allow rebuild without picking up v2 changes
Merge pull request #73 from Financial-Times/icons

keeping wrapper at v1 to allow rebuild without picking up v2 changes
bringing makefile in line with other 2 apps
Merge pull request #74 from Financial-Times/deploy-fix

bringing makefile in line with other 2 apps
Merge branch 'master' of https://github.com/Financial-Times/next-engels into flags

* 'master' of https://github.com/Financial-Times/next-engels:
  bringing makefile in line with other 2 apps
  keeping wrapper at v1 to allow rebuild without picking up v2 changes

Conflicts:
	Makefile
	package.json
finished feature flagging
Upgrade wrapper and libraries