Button: address review comments

Author: arschmitz

demos/button/icons.html

@@ -8,20 +8,20 @@
 	<link rel="stylesheet" href="../demos.css">
 	<script src="../../external/requirejs/require.js"></script>
 	<script src="../bootstrap.js">
-		$( ".widget button" ).first()
-			.button()
-			.next().button( {
+		$( ".widget button" )
+			.eq( 0 ).button()
+			.end().eq( 1 ).button( {
 				icon: "ui-icon-gear",
 				showLabel: false
-			} ).next().button( {
+			} ).end().eq( 2 ).button( {
 				icon: "ui-icon-gear"
-			} ).next().button( {
+			} ).end().eq( 3 ).button( {
 				icon: "ui-icon-gear",
 				iconPosition: "end"
-			} ).next().button( {
+			} ).end().eq( 4 ).button( {
 				icon: "ui-icon-gear",
 				iconPosition: "top"
-			} ).next().button( {
+			} ).end().eq( 5 ).button( {
 				icon: "ui-icon-gear",
 				iconPosition: "bottom"
 			} );

tests/visual/button/button.html

@@ -74,7 +74,7 @@ input.ui-button.ui-icon-notext .ui-icon {
 }
 
 /* workarounds */
-/* Support: FireFox >= 4 */
+/* Support: Firefox 5 - 40 */
 input.ui-button::-moz-focus-inner,
 button.ui-button::-moz-focus-inner {
 	border: 0;

tests/visual/button/performance.html

@@ -12,7 +12,8 @@
 //>>description: Enhances a form with themeable buttons.
 //>>docs: http://api.jqueryui.com/button/
 //>>demos: http://jqueryui.com/button/
-//>>css.structure: ../themes/base/core.css, ../themes/base/button.css
+//>>css.structure: ../themes/base/core.css
+//>>css.structure: ../themes/base/button.css
 //>>css.theme: ../themes/base/theme.css
 
 ( function( factory ) {