update script loading

dashboard-ui/bower_components/paper-input/paper-input.html

@@ -48,11 +48,17 @@ as to not overlap the native UI (search icon, file button, etc.).
 
 See `Polymer.PaperInputBehavior` for more API docs.
 
+### Focus
+
+To focus a paper-input, you can call the native `focus()` method as long as the
+paper input has a tab index.
+
 ### Styling
 
 See `Polymer.PaperInputContainer` for a list of custom properties used to
 style this element.
 
+
 @group Paper Elements
 @element paper-input
 @hero hero.svg
@@ -118,6 +124,7 @@ style this element.
         autocapitalize$="[[autocapitalize]]"
         autocorrect$="[[autocorrect]]"
         on-change="_onChange"
+        tabindex$="[[tabindex]]"
         autosave$="[[autosave]]"
         results$="[[results]]"
         accept$="[[accept]]"
@@ -144,8 +151,7 @@ style this element.
 
     behaviors: [
       Polymer.IronFormElementBehavior,
-      Polymer.PaperInputBehavior,
-      Polymer.IronControlState
+      Polymer.PaperInputBehavior
     ]
   });
 </script>