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

4 files changed, 50 insertions, 45 deletions

diff --git a/tests/unit/resizable/resizable_core.js b/tests/unit/resizable/resizable_core.js
index aef2ae15c..8cc6cec82 100644
--- a/tests/unit/resizable/resizable_core.js
+++ b/tests/unit/resizable/resizable_core.js
@@ -2,9 +2,7 @@
  * resizable_core.js
  */
 
-var el;
-
-var drag = function(el, dx, dy, complete) {
+TestHelpers.resizableDrag = function(el, dx, dy, complete) {
 
 	// speed = sync -> Drag syncrhonously.
 	// speed = fast|slow -> Drag asyncrhonously - animated.
@@ -46,10 +44,10 @@ test("n", function() {
 
 	var handle = '.ui-resizable-n', target = $('#resizable1').resizable({ handles: 'all' });
 
-	drag(handle, 0, -50);
+	TestHelpers.resizableDrag(handle, 0, -50);
 	equal( target.height(), 150, "compare height" );
 
-	drag(handle, 0, 50);
+	TestHelpers.resizableDrag(handle, 0, 50);
 	equal( target.height(), 100, "compare height" );
 });
 
@@ -58,10 +56,10 @@ test("s", function() {
 
 	var handle = '.ui-resizable-s', target = $('#resizable1').resizable({ handles: 'all' });
 
-	drag(handle, 0, 50);
+	TestHelpers.resizableDrag(handle, 0, 50);
 	equal( target.height(), 150, "compare height" );
 
-	drag(handle, 0, -50);
+	TestHelpers.resizableDrag(handle, 0, -50);
 	equal( target.height(), 100, "compare height" );
 });
 
@@ -70,10 +68,10 @@ test("e", function() {
 
 	var handle = '.ui-resizable-e', target = $('#resizable1').resizable({ handles: 'all' });
 
-	drag(handle, 50);
+	TestHelpers.resizableDrag(handle, 50);
 	equal( target.width(), 150, "compare width");
 
-	drag(handle, -50);
+	TestHelpers.resizableDrag(handle, -50);
 	equal( target.width(), 100, "compare width" );
 });
 
@@ -82,10 +80,10 @@ test("w", function() {
 
 	var handle = '.ui-resizable-w', target = $('#resizable1').resizable({ handles: 'all' });
 
-	drag(handle, -50);
+	TestHelpers.resizableDrag(handle, -50);
 	equal( target.width(), 150, "compare width" );
 
-	drag(handle, 50);
+	TestHelpers.resizableDrag(handle, 50);
 	equal( target.width(), 100, "compare width" );
 });
 
@@ -94,11 +92,11 @@ test("ne", function() {
 
 	var handle = '.ui-resizable-ne', target = $('#resizable1').css({ overflow: 'hidden' }).resizable({ handles: 'all' });
 
-	drag(handle, -50, -50);
+	TestHelpers.resizableDrag(handle, -50, -50);
 	equal( target.width(), 50, "compare width" );
 	equal( target.height(), 150, "compare height" );
 
-	drag(handle, 50, 50);
+	TestHelpers.resizableDrag(handle, 50, 50);
 	equal( target.width(), 100, "compare width" );
 	equal( target.height(), 100, "compare height" );
 });
@@ -108,11 +106,11 @@ test("se", function() {
 
 	var handle = '.ui-resizable-se', target = $('#resizable1').resizable({ handles: 'all' });
 
-	drag(handle, 50, 50);
+	TestHelpers.resizableDrag(handle, 50, 50);
 	equal( target.width(), 150, "compare width" );
 	equal( target.height(), 150, "compare height" );
 
-	drag(handle, -50, -50);
+	TestHelpers.resizableDrag(handle, -50, -50);
 	equal( target.width(), 100, "compare width" );
 	equal( target.height(), 100, "compare height" );
 });
@@ -122,11 +120,11 @@ test("sw", function() {
 
 	var handle = '.ui-resizable-sw', target = $('#resizable1').resizable({ handles: 'all' });
 
-	drag(handle, -50, -50);
+	TestHelpers.resizableDrag(handle, -50, -50);
 	equal( target.width(), 150, "compare width" );
 	equal( target.height(), 50, "compare height" );
 
-	drag(handle, 50, 50);
+	TestHelpers.resizableDrag(handle, 50, 50);
 	equal( target.width(), 100, "compare width" );
 	equal( target.height(), 100, "compare height" );
 });
@@ -136,11 +134,11 @@ test("nw", function() {
 
 	var handle = '.ui-resizable-nw', target = $('#resizable1').resizable({ handles: 'all' });
 
-	drag(handle, -50, -50);
+	TestHelpers.resizableDrag(handle, -50, -50);
 	equal( target.width(), 150, "compare width" );
 	equal( target.height(), 150, "compare height" );
 
-	drag(handle, 50, 50);
+	TestHelpers.resizableDrag(handle, 50, 50);
 	equal( target.width(), 100, "compare width" );
 	equal( target.height(), 100, "compare height" );
 });
diff --git a/tests/unit/resizable/resizable_events.js b/tests/unit/resizable/resizable_events.js
index 52d55731c..d7793ff2f 100644
--- a/tests/unit/resizable/resizable_events.js
+++ b/tests/unit/resizable/resizable_events.js
@@ -5,4 +5,8 @@
 
 module("resizable: events");
 
+// this is here to make JSHint pass "unused", and we don't want to
+// remove the parameter for when we finally implement
+$.noop();
+
 })(jQuery);
diff --git a/tests/unit/resizable/resizable_methods.js b/tests/unit/resizable/resizable_methods.js
index 87859acf7..b12f3035a 100644
--- a/tests/unit/resizable/resizable_methods.js
+++ b/tests/unit/resizable/resizable_methods.js
@@ -5,5 +5,8 @@
 
 module("resizable: methods");
 
+// this is here to make JSHint pass "unused", and we don't want to
+// remove the parameter for when we finally implement
+$.noop();
 
 })(jQuery);
diff --git a/tests/unit/resizable/resizable_options.js b/tests/unit/resizable/resizable_options.js
index e10a55a31..c17f329fd 100644
--- a/tests/unit/resizable/resizable_options.js
+++ b/tests/unit/resizable/resizable_options.js
@@ -10,11 +10,11 @@ test("aspectRatio: 'preserve' (e)", function() {
 
 	var handle = '.ui-resizable-e', target = $('#resizable1').resizable({ aspectRatio: 'preserve', handles: 'all', minWidth: 70, minHeight: 50, maxWidth: 150, maxHeight: 130 });
 
-	drag(handle, 80);
+	TestHelpers.resizableDrag(handle, 80);
 	equal( target.width(), 130, "compare maxWidth");
 	equal( target.height(), 130, "compare maxHeight");
 
-	drag(handle, -130);
+	TestHelpers.resizableDrag(handle, -130);
 	equal( target.width(), 70, "compare minWidth");
 	equal( target.height(), 70, "compare minHeight");
 });
@@ -24,11 +24,11 @@ test("aspectRatio: 'preserve' (w)", function() {
 
 	var handle = '.ui-resizable-w', target = $('#resizable1').resizable({ aspectRatio: 'preserve', handles: 'all', minWidth: 70, minHeight: 50, maxWidth: 150, maxHeight: 130 });
 
-	drag(handle, -80);
+	TestHelpers.resizableDrag(handle, -80);
 	equal( target.width(), 130, "compare maxWidth");
 	equal( target.height(), 130, "compare maxHeight");
 
-	drag(handle, 130);
+	TestHelpers.resizableDrag(handle, 130);
 	equal( target.width(), 70, "compare minWidth");
 	equal( target.height(), 70, "compare minHeight");
 });
@@ -38,11 +38,11 @@ test("aspectRatio: 'preserve' (n)", function() {
 
 	var handle = '.ui-resizable-n', target = $('#resizable1').resizable({ aspectRatio: 'preserve', handles: 'all', minWidth: 70, minHeight: 50, maxWidth: 150, maxHeight: 130 });
 
-	drag(handle, 0, -80);
+	TestHelpers.resizableDrag(handle, 0, -80);
 	equal( target.width(), 130, "compare maxWidth");
 	equal( target.height(), 130, "compare maxHeight");
 
-	drag(handle, 0, 80);
+	TestHelpers.resizableDrag(handle, 0, 80);
 	equal( target.width(), 70, "compare minWidth");
 	equal( target.height(), 70, "compare minHeight");
 });
@@ -52,11 +52,11 @@ test("aspectRatio: 'preserve' (s)", function() {
 
 	var handle = '.ui-resizable-s', target = $('#resizable1').resizable({ aspectRatio: 'preserve', handles: 'all', minWidth: 70, minHeight: 50, maxWidth: 150, maxHeight: 130 });
 
-	drag(handle, 0, 80);
+	TestHelpers.resizableDrag(handle, 0, 80);
 	equal( target.width(), 130, "compare maxWidth");
 	equal( target.height(), 130, "compare maxHeight");
 
-	drag(handle, 0, -80);
+	TestHelpers.resizableDrag(handle, 0, -80);
 	equal( target.width(), 70, "compare minWidth");
 	equal( target.height(), 70, "compare minHeight");
 });
@@ -66,11 +66,11 @@ test("aspectRatio: 'preserve' (se)", function() {
 
 	var handle = '.ui-resizable-se', target = $('#resizable1').resizable({ aspectRatio: 'preserve', handles: 'all', minWidth: 70, minHeight: 50, maxWidth: 150, maxHeight: 130 });
 
-	drag(handle, 80, 80);
+	TestHelpers.resizableDrag(handle, 80, 80);
 	equal( target.width(), 130, "compare maxWidth");
 	equal( target.height(), 130, "compare maxHeight");
 
-	drag(handle, -80, -80);
+	TestHelpers.resizableDrag(handle, -80, -80);
 	equal( target.width(), 70, "compare minWidth");
 	equal( target.height(), 70, "compare minHeight");
 });
@@ -80,11 +80,11 @@ test("aspectRatio: 'preserve' (sw)", function() {
 
 	var handle = '.ui-resizable-sw', target = $('#resizable1').resizable({ aspectRatio: 'preserve', handles: 'all', minWidth: 70, minHeight: 50, maxWidth: 150, maxHeight: 130 });
 
-	drag(handle, -80, 80);
+	TestHelpers.resizableDrag(handle, -80, 80);
 	equal( target.width(), 130, "compare maxWidth");
 	equal( target.height(), 130, "compare maxHeight");
 
-	drag(handle, 80, -80);
+	TestHelpers.resizableDrag(handle, 80, -80);
 	equal( target.width(), 70, "compare minWidth");
 	equal( target.height(), 70, "compare minHeight");
 });
@@ -94,11 +94,11 @@ test("aspectRatio: 'preserve' (ne)", function() {
 
 	var handle = '.ui-resizable-ne', target = $('#resizable1').resizable({ aspectRatio: 'preserve', handles: 'all', minWidth: 70, minHeight: 50, maxWidth: 150, maxHeight: 130 });
 
-	drag(handle, 80, -80);
+	TestHelpers.resizableDrag(handle, 80, -80);
 	equal( target.width(), 130, "compare maxWidth");
 	equal( target.height(), 130, "compare maxHeight");
 
-	drag(handle, -80, 80);
+	TestHelpers.resizableDrag(handle, -80, 80);
 	equal( target.width(), 70, "compare minWidth");
 	equal( target.height(), 70, "compare minHeight");
 });
@@ -108,11 +108,11 @@ test("grid", function() {
 
 	var handle = '.ui-resizable-se', target = $('#resizable1').resizable({ handles: 'all', grid: [0, 20] });
 
-	drag(handle, 3, 9);
+	TestHelpers.resizableDrag(handle, 3, 9);
 	equal( target.width(), 103, "compare width");
 	equal( target.height(), 100, "compare height");
 
-	drag(handle, 15, 11);
+	TestHelpers.resizableDrag(handle, 15, 11);
 	equal( target.width(), 118, "compare width");
 	equal( target.height(), 120, "compare height");
 });
@@ -122,11 +122,11 @@ test("grid (wrapped)", function() {
 
 	var handle = '.ui-resizable-se', target = $('#resizable2').resizable({ handles: 'all', grid: [0, 20] });
 
-	drag(handle, 3, 9);
+	TestHelpers.resizableDrag(handle, 3, 9);
 	equal( target.width(), 103, "compare width");
 	equal( target.height(), 100, "compare height");
 
-	drag(handle, 15, 11);
+	TestHelpers.resizableDrag(handle, 15, 11);
 	equal( target.width(), 118, "compare width");
 	equal( target.height(), 120, "compare height");
 });
@@ -136,11 +136,11 @@ test("ui-resizable-se { handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 1
 
 	var handle = '.ui-resizable-se', target = $('#resizable1').resizable({ handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 100, maxHeight: 100 });
 
-	drag(handle, -50, -50);
+	TestHelpers.resizableDrag(handle, -50, -50);
 	equal( target.width(), 60, "compare minWidth" );
 	equal( target.height(), 60, "compare minHeight" );
 
-	drag(handle, 70, 70);
+	TestHelpers.resizableDrag(handle, 70, 70);
 	equal( target.width(), 100, "compare maxWidth" );
 	equal( target.height(), 100, "compare maxHeight" );
 });
@@ -150,11 +150,11 @@ test("ui-resizable-sw { handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 1
 
 	var handle = '.ui-resizable-sw', target = $('#resizable1').resizable({ handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 100, maxHeight: 100 });
 
-	drag(handle, 50, -50);
+	TestHelpers.resizableDrag(handle, 50, -50);
 	equal( target.width(), 60, "compare minWidth" );
 	equal( target.height(), 60, "compare minHeight" );
 
-	drag(handle, -70, 70);
+	TestHelpers.resizableDrag(handle, -70, 70);
 	equal( target.width(), 100, "compare maxWidth" );
 	equal( target.height(), 100, "compare maxHeight" );
 });
@@ -164,11 +164,11 @@ test("ui-resizable-ne { handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 1
 
 	var handle = '.ui-resizable-ne', target = $('#resizable1').resizable({ handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 100, maxHeight: 100 });
 
-	drag(handle, -50, 50);
+	TestHelpers.resizableDrag(handle, -50, 50);
 	equal( target.width(), 60, "compare minWidth" );
 	equal( target.height(), 60, "compare minHeight" );
 
-	drag(handle, 70, -70);
+	TestHelpers.resizableDrag(handle, 70, -70);
 	equal( target.width(), 100, "compare maxWidth" );
 	equal( target.height(), 100, "compare maxHeight" );
 });
@@ -178,11 +178,11 @@ test("ui-resizable-nw { handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 1
 
 	var handle = '.ui-resizable-nw', target = $('#resizable1').resizable({ handles: 'all', minWidth: 60, minHeight: 60, maxWidth: 100, maxHeight: 100 });
 
-	drag(handle, 70, 70);
+	TestHelpers.resizableDrag(handle, 70, 70);
 	equal( target.width(), 60, "compare minWidth" );
 	equal( target.height(), 60, "compare minHeight" );
 
-	drag(handle, -70, -70);
+	TestHelpers.resizableDrag(handle, -70, -70);
 	equal( target.width(), 100, "compare maxWidth" );
 	equal( target.height(), 100, "compare maxHeight" );
 });