remify button padding
No need to copy vendor; remove ability to compile single app
remove unused libs
remove gravity/outbrain
remify button padding
Merge branch 'master' into minor-refactorings

Conflicts:
	common/app/assets/stylesheets/module/facia/snaps/_football.scss
Merge pull request #4744 from guardian/tidy-grutnfile-two

Tidy Gruntfile redux
Merge pull request #4777 from guardian/minor-refactorings

remify button padding
Add API endpoints for partial updates to config
Press and send to Content API after granular edits to config
Use new granular persist methods in config editor