move things around

Moved alerts, badges, button groups, buttons, carousel, close to
variables.less and customize.html
Merge branch '3.0.0-wip' of https://github.com/saas786/bootstrap into saas786-3.0.0-wip

Conflicts:
	customize.html
	less/alerts.less
	less/badges.less
	less/button-groups.less
	less/buttons.less
	less/carousel.less