Apply CSS coding contentions
Vendor prefixes are correctly ordered
Remove non existing vendor prefixes
 is implemented in browsers supporting it
Add to Homescreen module doesn't need vendor prefixes other than webkit since this is iOS-only
Use a mixin to remove box shadows
Merge branch 'master' of github.com:guardian/frontend into css-coding-conventions

Conflicts:
	common/app/assets/stylesheets/module/experiments/_story.scss
Merge pull request #928 from guardian/css-vendor-prefixes-ordering

Css vendor prefixes ordering
Whitespace
Merge branch 'css-coding-conventions' of github.com:guardian/frontend into css-coding-conventions
Merge branch 'master' of github.com:guardian/frontend into css-coding-conventions
Australia front now picks up correct bootstrap.js
Merge pull request #935 from guardian/aus-edition-show-more

Australia front now picks up correct bootstrap.js
Merge pull request #927 from guardian/css-coding-conventions

Apply CSS coding conventions
Merge branch 'master' of github.com:guardian/frontend into griddle-redux

Conflicts:
	common/app/assets/stylesheets/_extends-only.scss
	common/app/assets/stylesheets/_vars.scss
	common/app/assets/stylesheets/base/_base.scss
	common/app/assets/stylesheets/base/_type.scss
	common/app/assets/stylesheets/layout/_layout.scss
	common/app/assets/stylesheets/module/_article.scss
	common/app/assets/stylesheets/module/_cta.scss
	common/app/assets/stylesheets/module/_footer.scss
	common/app/assets/stylesheets/module/_headers.scss
	common/app/assets/stylesheets/module/_headline-list.scss
	common/app/assets/stylesheets/module/_media.scss
	common/app/assets/stylesheets/module/_search.scss
	common/app/assets/stylesheets/module/_social.scss
	common/app/assets/stylesheets/module/_tabs.scss
	common/app/assets/stylesheets/module/experiments/_story.scss
	common/app/assets/stylesheets/module/external/_from-content-api.scss
	common/app/assets/stylesheets/module/football/_match-summary.scss
	common/app/assets/stylesheets/module/football/_matches.scss
	common/app/assets/stylesheets/module/football/_stats.scss
	common/app/assets/stylesheets/module/nav/_control.scss
	common/app/assets/stylesheets/module/nav/_nav.scss
	common/app/assets/stylesheets/module/nav/_pop-up.scss
	common/app/assets/stylesheets/module/trails/_trail.scss
	common/app/assets/stylesheets/module/trails/_trailblock.scss
	common/app/assets/stylesheets/state/_state.scss
Merge branch 'griddle-redux' of github.com:guardian/frontend into griddle-redux