Slider: Move slider into widgets folder

Ref #13885

demos/bootstrap.js

@@ -37,7 +37,8 @@ var widgets = [
 	"progressbar",
 	"resizable",
 	"selectable",
-	"selectmenu"
+	"selectmenu",
+	"slider"
 ];
 
 function getPath( module ) {

tests/unit/slider/common.js

@@ -1,6 +1,6 @@
 define( [
 	"lib/common",
-	"ui/slider"
+	"ui/widgets/slider"
 ], function( common ) {
 
 common.testWidget( "slider", {

tests/unit/slider/core.js

@@ -1,6 +1,6 @@
 define( [
 	"jquery",
-	"ui/slider"
+	"ui/widgets/slider"
 ], function( $ ) {
 
 var element, options;

tests/unit/slider/events.js

@@ -1,6 +1,6 @@
 define( [
 	"jquery",
-	"ui/slider"
+	"ui/widgets/slider"
 ], function( $ ) {
 
 module( "slider: events" );

tests/unit/slider/methods.js

@@ -1,6 +1,6 @@
 define( [
 	"jquery",
-	"ui/slider"
+	"ui/widgets/slider"
 ], function( $ ) {
 
 module( "slider: methods" );

tests/unit/slider/options.js

@@ -1,6 +1,6 @@
 define( [
 	"jquery",
-	"ui/slider"
+	"ui/widgets/slider"
 ], function( $ ) {
 
 var element, options;

ui/widgets/slider.js

@@ -22,10 +22,10 @@
 		// AMD. Register as an anonymous module.
 		define([
 			"jquery",
-			"./keycode",
+			"./mouse",
-			"./widgets/mouse",
+			"../keycode",
-			"./version",
+			"../version",
-			"./widget"
+			"../widget"
 		], factory );
 	} else {