refactoring article and liveblog js bootstrap
more article liveblog bootstrap refactor
refactoring article and liveblog js bootstrap
more article liveblog bootstrap refactor
Merge branch 'liveblog-content-type' of github.com:guardian/frontend into liveblog-content-type

* 'liveblog-content-type' of github.com:guardian/frontend:
  more article liveblog bootstrap refactor
  refactoring article and liveblog js bootstrap
fixing tests
Merge pull request #5121 from guardian/liveblog-content-type

Liveblog content type