move things around

Moved alerts, badges, button groups, buttons, carousel, close to
variables.less and customize.html
Added padding variable for alerts and changed customize.html Warning state (which doesn't exist anymore)
Comma for clarification
Merge pull request #9121 from Flydiverny/alerts

Added padding variable for alerts and changed customize.html
Fix Issue #8175
Fix Issue #8175 - remove lh for input-lg|sm
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
Merge pull request #9124 from geedmo/3.0.0-wip

 Fix Issue #8175 - .input-group-addon broken in Firefox
remove dupe border-box
Merge branch '3.0.0-wip' of github.com:twbs/bootstrap into 3.0.0-wip
fixes #8647: remove focus outline on :focus of buttons in button groups
Fix pixel values in Responsive Utilities docs to match the actual code
Merge pull request #9130 from twbs/straight-up-wrong

Fix pixel values in Responsive Utilities docs to match the actual code
Merge branch '3.0.0-wip' into bs3_alerts_default_class

Conflicts:
	dist/css/bootstrap.min.css