Added web font perf testing docs.
Correct typo.
updating selenium version
AB test for font delay.
Correct typo and storage key.
Only give the delay to 1% of users.
Also track the results.
Merge pull request #866 from guardian/delay-font-test

Font delay AB test on all pages.
Merge remote-tracking branch 'upstream/master' into update-selenium-version
Cache initial page's config obj
Add spinner when revealed page is still loading
Tidy up
Require ID library and use it to track logged in users.
Striped ID module of unused UI and API code.
Only have spinner on vivible pane
Merge pull request #859 from guardian/id-integration

Integrate ID library and use it to track logged in users.
Merge pull request #867 from guardian/swipe-config

Cache initial page config
Merge pull request #868 from guardian/spinner

Show spinner when load is pending
Merge pull request #865 from gidsg/update-selenium-version

updating selenium version
only use jsclick where click fails. Other minor wait tweaks