Merge branch 'master', remote-tracking branch 'origin'
escaping code in title tags
fixing encoding and doing escaping on alt and title text in more places
Init analytics on dom ready
Based on switch
Based on switch
Based on switch
Add OmnitureDomReadySwitch
Merge branch 'master' into no-defer-omniture
only do strip on caption
Add test
Added tests
encode quote marks only
more sensible naming and ate whitespace
Lazyload images
Added meta tag to upsell iPhone app

It is behind a switch (off by default)

Will be a simple matter to enable it and then see if we get higher registrations.

Only on UK edition (US has different app)
Added meta tag to upsell iPhone app

It is behind a switch (off by default)

Will be a simple matter to enable it and then see if we get higher registrations.

Only on UK edition (US has different app)
Test images get inserted
We don't care if browsers have JS activated if they do not Cut the Mustard
Merge branch 'master' of github.com:guardian/frontend into trail-images-optimisation