Build: Enable "unused" option in jshint - Remove unused variables from codebase. - Closes gh-788

Squashed commit of the following:

commit 7f19f92c646f180bc067bb24123175251a64a9d6
Author: Mike Sherov <mike.sherov@gmail.com>
Date:   Tue Oct 23 10:34:28 2012 -0400

    put back in fake args for signatures that we want to keep

commit 257505a9e69da0c53e3a989dab87a13112045a29
Author: Mike Sherov <mike.sherov@gmail.com>
Date:   Tue Oct 23 08:10:20 2012 -0400

    changes per @scott_gonzalez

commit 12725480cb58e70865e5aa6e735009b6b035c8f3
Author: Mike Sherov <mike.sherov@gmail.com>
Date:   Mon Oct 22 22:54:05 2012 -0400

    clean up unused vars in ui directory

commit 563595e7aee5d4a5c096b2d1de655abdf920aacd
Author: Mike Sherov <mike.sherov@gmail.com>
Date:   Mon Oct 22 22:37:42 2012 -0400

    clean up unused vars in grunt and tests

1 files changed, 15 insertions, 15 deletions

diff --git a/tests/unit/menu/menu_events.js b/tests/unit/menu/menu_events.js
index d69fc46a3..a94968138 100644
--- a/tests/unit/menu/menu_events.js
+++ b/tests/unit/menu/menu_events.js
@@ -13,7 +13,7 @@ module( "menu: events", {
 test( "handle click on menu", function() {
 	expect( 1 );
 	var element = $( "#menu1" ).menu({
-		select: function( event, ui ) {
+		select: function() {
 			log();
 		}
 	});
@@ -29,7 +29,7 @@ test( "handle click on menu", function() {
 test( "handle click on custom item menu", function() {
 	expect( 1 );
 	var element = $( "#menu5" ).menu({
-		select: function( event, ui ) {
+		select: function() {
 			log();
 		},
 		menus: "div"
@@ -47,7 +47,7 @@ asyncTest( "handle blur", function() {
 	expect( 1 );
 	var blurHandled = false,
 		element = $( "#menu1" ).menu({
-			blur: function( event, ui ) {
+			blur: function( event ) {
 				// Ignore duplicate blur event fired by IE
 				if ( !blurHandled ) {
 					blurHandled = true;
@@ -69,7 +69,7 @@ asyncTest( "handle blur via click outside", function() {
 	expect( 1 );
 	var blurHandled = false,
 		element = $( "#menu1" ).menu({
-			blur: function( event, ui ) {
+			blur: function( event ) {
 				// Ignore duplicate blur event fired by IE
 				if ( !blurHandled ) {
 					blurHandled = true;
@@ -90,7 +90,7 @@ asyncTest( "handle blur via click outside", function() {
 test( "handle focus of menu with active item", function() {
 	expect( 1 );
 	var element = $( "#menu1" ).menu({
-		focus: function( event, ui ) {
+		focus: function( event ) {
 			log( $( event.target ).find( ".ui-state-focus" ).parent().index() );
 		}
 	});
@@ -168,7 +168,7 @@ test( "handle keyboard navigation on menu without scroll and without submenus",
 		select: function( event, ui ) {
 			log( $( ui.item[0] ).text() );
 		},
-		focus: function( event, ui ) {
+		focus: function( event ) {
 			log( $( event.target ).find( ".ui-state-focus" ).parent().index() );
 		}
 	});
@@ -230,13 +230,13 @@ asyncTest( "handle keyboard navigation on menu without scroll and with submenus"
 		select: function( event, ui ) {
 			log( $( ui.item[0] ).text() );
 		},
-		focus: function( event, ui ) {
+		focus: function( event ) {
 			log( $( event.target ).find( ".ui-state-focus" ).parent().index() );
 		}
 	});
 
 	log( "keydown", true );
-	element.one( "menufocus", function( event, ui ) {
+	element.one( "menufocus", function() {
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 		equal( logOutput(), "keydown,1,2", "Keydown DOWN" );
@@ -350,7 +350,7 @@ test( "handle keyboard navigation on menu with scroll and without submenus", fun
 		select: function( event, ui ) {
 			log( $( ui.item[0] ).text() );
 		},
-		focus: function( event, ui ) {
+		focus: function( event ) {
 			log( $( event.target ).find( ".ui-state-focus" ).parent().index());
 		}
 	});
@@ -421,13 +421,13 @@ asyncTest( "handle keyboard navigation on menu with scroll and with submenus", f
 		select: function( event, ui ) {
 			log( $( ui.item[0] ).text() );
 		},
-		focus: function( event, ui ) {
+		focus: function( event ) {
 			log( $( event.target ).find( ".ui-state-focus" ).parent().index());
 		}
 	});
 
 	log( "keydown", true );
-	element.one( "menufocus", function( event, ui ) {
+	element.one( "menufocus", function() {
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 		equal( logOutput(), "keydown,1,2", "Keydown DOWN" );
@@ -516,13 +516,13 @@ asyncTest( "handle keyboard navigation and mouse click on menu with disabled ite
 		select: function( event, ui ) {
 			log( $( ui.item[0] ).text() );
 		},
-		focus: function( event, ui ) {
+		focus: function( event ) {
 			log( $( event.target ).find( ".ui-state-focus" ).parent().index());
 		}
 	});
 
 	log( "keydown", true );
-	element.one( "menufocus", function( event, ui ) {
+	element.one( "menufocus", function() {
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
 		element.simulate( "keydown", { keyCode: $.ui.keyCode.ENTER } );
 		equal( logOutput(), "keydown,1", "Keydown focus but not select disabled item" );
@@ -564,13 +564,13 @@ asyncTest( "handle keyboard navigation and mouse click on menu with disabled ite
 test( "handle keyboard navigation with spelling of menu items", function() {
 	expect( 2 );
 	var element = $( "#menu2" ).menu({
-		focus: function( event, ui ) {
+		focus: function( event ) {
 			log( $( event.target ).find( ".ui-state-focus" ).parent().index() );
 		}
 	});
 
 	log( "keydown", true );
-	element.one( "menufocus", function( event, ui ) {
+	element.one( "menufocus", function() {
 		element.simulate( "keydown", { keyCode: 65 } );
 		element.simulate( "keydown", { keyCode: 68 } );
 		element.simulate( "keydown", { keyCode: 68 } );