Remify using a build step instead of Sass
Prevent IE8 from getting rem values
Remove call to rem mixin in icon sprite CSS
De-remify mixins and extends
Add missing trailing semicolon
Merge branch 'master' of github.com:guardian/frontend into pixrem
Push default ConfigAgent contents on facia startup
Empty the ConfigAgent for FaciaControllerTest
Only fill the agent when it is DEV
Revert "De-remify mixins and extends"

This reverts commit 9f25cb3165fe7560b64e778be98fd9d4a9033469.

Conflicts:
	common/app/assets/stylesheets/module/_discussion-mixins.scss
Revert "Remove call to rem mixin in icon sprite CSS"

This reverts commit 63a11714b3e14ff253dc5880c7f25670c57291e1.
Merge branch 'master' of github.com:guardian/frontend into pixrem
 commit 63a11714b3e14ff253dc5880c7f25670c57291e1.

Conflicts:
	Gruntfile.js
Fix related container border spacing
;
Merge branch 'master' of github.com:guardian/frontend

Conflicts:
	common/app/assets/stylesheets/module/containers/_picks.scss
Fix live-blog section__heading padding-top at rightCol breakpoint
Document border position
Hide tonal border in blog related stories
Increase hover state on share icons to go full white on multimedia pages.
Hide separator and use tonal border for the top grey border