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

less/button-groups.less

@@ -146,8 +146,6 @@
   margin-left: 0;
 }
 // Carets in other button sizes
-.btn-mini .caret,
-.btn-small .caret,
 .btn-large .caret {
   margin-top: 6px;
 }
@@ -156,6 +154,10 @@
   border-right-width: 5px;
   border-top-width:   5px;
 }
+.btn-mini .caret,
+.btn-small .caret {
+  margin-top: 8px;
+}
 // Upside down carets for .dropup
 .dropup .btn-large .caret {
   border-bottom-width: 5px;