Variant 1: Remove spacing from paragraphs, add indents
Configure paragraph spacing experiment
Fix test names so they are catched by the framework
Set up typography rules and restrict test to 10% of audience
Merge branch 'master' of github.com:guardian/frontend into ab-test-paragraph-spacing

Conflicts:
	common/app/assets/stylesheets/module/experiments/_article-breakpoints.scss
Tweak line space and inter paragraph spacing
Comment is not misleading
Separate ab test styles from the rest of the CSS
Merge branch 'master' of github.com:guardian/frontend into ab-test-paragraph-spacing

Conflicts:
	common/app/assets/stylesheets/module/external/_from-content-api.scss
Merge pull request #1074 from guardian/ab-test-paragraph-spacing

Test impact of macro typography settings on readability