Add selectedItem property

@@ -99,6 +99,15 @@
       },
 
       /**
+       * When `multi` is false, this is the currently selected item, or `null`
+       * if no item is selected.
+       */
+      selectedItem: {
+        type: Object,
+        notify: true
+      },
+
+      /**
        * When `true`, calling `select` on an item that is already selected
        * will deselect the item.
        */
@@ -132,6 +141,7 @@
         this.selected = null;
         this._selectedColl = null;
       }
+      this.selectedItem = null;
     },
 
     /**
@@ -164,7 +174,9 @@
         }
       } else {
         this.selected = null;
+        this.selectedItem = null;
         this.unlinkPaths('selected');
+        this.unlinkPaths('selectedItem');
       }
     },
 
@@ -192,8 +204,10 @@
         if (this.toggle && item == this.selected) {
           this.deselect();
         } else {
-          this.linkPaths('selected', 'items.' + key);
           this.selected = item;
+          this.selectedItem = item;
+          this.linkPaths('selected', 'items.' + key);
+          this.linkPaths('selectedItem', 'items.' + key);
         }
       }
     }

@@ -37,39 +37,39 @@
   test('single selection', function() {
     var el = singleConfigured;
     // Nothing selected
-    assert.strictEqual(el.selected, null);
+    assert.strictEqual(el.selectedItem, null);
     assert.isFalse(el.isSelected(el.items[0]));
     assert.isFalse(el.isSelected(el.items[1]));
     assert.isFalse(el.isSelected(el.items[2]));
     // Select 0
     el.select(el.items[0]);
-    assert.strictEqual(el.selected, el.items[0]);
+    assert.strictEqual(el.selectedItem, el.items[0]);
     assert.isTrue(el.isSelected(el.items[0]));
     assert.isFalse(el.isSelected(el.items[1]));
     assert.isFalse(el.isSelected(el.items[2]));
     // Re-select 0
     el.select(el.items[0]);
-    assert.strictEqual(el.selected, el.items[0]);
+    assert.strictEqual(el.selectedItem, el.items[0]);
     assert.isTrue(el.isSelected(el.items[0]));
     assert.isFalse(el.isSelected(el.items[1]));
     assert.isFalse(el.isSelected(el.items[2]));
     // Select 2
     el.select(el.items[2]);
-    assert.strictEqual(el.selected, el.items[2]);
+    assert.strictEqual(el.selectedItem, el.items[2]);
     assert.isFalse(el.isSelected(el.items[0]));
     assert.isFalse(el.isSelected(el.items[1]));
     assert.isTrue(el.isSelected(el.items[2]));
     // Toggle 2
     el.toggle = true;
     el.select(el.items[2]);
-    assert.strictEqual(el.selected, null);
+    assert.strictEqual(el.selectedItem, null);
     assert.isFalse(el.isSelected(el.items[0]));
     assert.isFalse(el.isSelected(el.items[1]));
     assert.isFalse(el.isSelected(el.items[2]));
     // Toggle 2
     el.toggle = true;
     el.select(el.items[2]);
-    assert.strictEqual(el.selected, el.items[2]);
+    assert.strictEqual(el.selectedItem, el.items[2]);
     assert.isFalse(el.isSelected(el.items[0]));
     assert.isFalse(el.isSelected(el.items[1]));
     assert.isTrue(el.isSelected(el.items[2]));