Remove optimizely code.
styling tweaks
moving continue reading hide option not inline
initialise gallery
only show 3 images in contact sheet
whitespace
dont indent first paragraph
updated social icons
Merge from master.
Merge pull request #817 from guardian/remove-optimizely

Remove optimizely code.
Fixed my bad merge.
Merge pull request #821 from guardian/remove-optimizely

Fixed my bad merge.
updating para indents
Merge branch 'story-tweaks' of github.com:guardian/frontend into story-tweaks
Switches still required for Jasmine tests.
Merge pull request #823 from guardian/remove-optimizely

Don't break tests
Set article parallelism back to 2
updating tag and story id to fergie story
update labels
Merge pull request #824 from guardian/fergie-story

Fergie story