Merge branch '2.2.3' into 3.0.0-wip

Conflicts:
	Makefile
	README.md
	component.json
	docs/assets/css/bootstrap-responsive.css
	docs/assets/css/bootstrap.css
	docs/assets/js/bootstrap-affix.js
	docs/assets/js/bootstrap-alert.js
	docs/assets/js/bootstrap-button.js
	docs/assets/js/bootstrap-carousel.js
	docs/assets/js/bootstrap-collapse.js
	docs/assets/js/bootstrap-dropdown.js
	docs/assets/js/bootstrap-modal.js
	docs/assets/js/bootstrap-popover.js
	docs/assets/js/bootstrap-scrollspy.js
	docs/assets/js/bootstrap-tab.js
	docs/assets/js/bootstrap-tooltip.js
	docs/assets/js/bootstrap-transition.js
	docs/assets/js/bootstrap-typeahead.js
	docs/assets/js/bootstrap.js
	docs/assets/js/bootstrap.min.js
	docs/index.html
	docs/templates/pages/base-css.mustache
	docs/templates/pages/index.mustache
	docs/templates/pages/javascript.mustache
	js/bootstrap-affix.js
	js/bootstrap-alert.js
	js/bootstrap-button.js
	js/bootstrap-carousel.js
	js/bootstrap-collapse.js
	js/bootstrap-dropdown.js
	js/bootstrap-modal.js
	js/bootstrap-popover.js
	js/bootstrap-scrollspy.js
	js/bootstrap-tab.js
	js/bootstrap-tooltip.js
	js/bootstrap-transition.js
	js/bootstrap-typeahead.js
	less/bootstrap.less
	less/responsive.less
	less/type.less
	package.json

carousel.html

@@ -78,7 +78,7 @@
 
     .carousel .container {
       position: relative;
-      z-index: 10;
+      z-index: 9;
     }
 
     .carousel-control {