refactored selectable to use 'selected' instead of 'dropped'; fixed position relative bug

public/less/admin/modules/selectable.less

@@ -1,6 +1,7 @@
 .selectable {
 	.user-select(none);
-	
+	position: relative;
+
 	.selector {
 		position: absolute;
 		border: 1px solid #89B;
@@ -14,7 +15,7 @@
 		border: 1px solid transparent;
 		margin: 2px;
 
-		&.dropped, &.active {
+		&.selected, &.active {
 			background-color: #ECF1DB;
 			border: 1px dashed #9B8;
 		}

public/src/forum/admin/manage/tags.js

@@ -33,7 +33,7 @@ define('forum/admin/manage/tags', ['forum/infinitescroll', 'admin/selectable'],
 		});
 
 		$('#modify').on('click', function(ev) {
-			var tagsToModify = $('.tag-row.dropped');
+			var tagsToModify = $('.tag-row.selected');
 			if (!tagsToModify.length) {
 				return;
 			}
@@ -101,7 +101,7 @@ define('forum/admin/manage/tags', ['forum/infinitescroll', 'admin/selectable'],
 			if (err) {
 				return app.alertError(err.message);
 			}
-			
+
 			app.alertSuccess('Tag Updated!');
 		});
 	}

public/src/modules/admin/selectable.js

@@ -8,7 +8,7 @@ define('admin/selectable', function() {
 	// modified from http://threedubmedia.com/code/event/drop/demo/selection
 	selectable.enable = function(parentElement, elementsToSelect, events) {
 		function selected(element) {
-			var $element = $(element).addClass('dropped');
+			var $element = $(element).addClass('selected');
 
 			if (events && typeof events.onSelected === 'function') {
 				events.onSelected($element);
@@ -16,7 +16,7 @@ define('admin/selectable', function() {
 		}
 
 		function unselected(element) {
-			var $element = $(element).removeClass('dropped');
+			var $element = $(element).removeClass('selected');
 
 			if (events && typeof events.onUnselected === 'function') {
 				events.onUnselected($element);