update elements and fix some bugs

lib/src/paper-input/paper-input-behavior.html

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 <link rel="import" href="../polymer/polymer.html">
@@ skipping 73 matching lines @@
 
       /**
        * The type of the input. The supported types are `text`, `number` and `password`. Bind this
        * to the `<input is="iron-input">`'s `type` property.
        */
       type: {
         type: String
       },
 
       /**
-       * The datalist of the input (if any). This should match the id of an existing <datalist>. Bind this
+       * The datalist of the input (if any). This should match the id of an existing `<datalist>`. Bind this
        * to the `<input is="iron-input">`'s `list` property.
        */
       list: {
         type: String
       },
 
       /**
        * A pattern to validate the `input` with. Bind this to the `<input is="iron-input">`'s
        * `pattern` property.
        */
@@ skipping 167 matching lines @@
       },
 
       /**
        * Bind this to the `<input is="iron-input">`'s `autocorrect` property.
        */
       autocorrect: {
         type: String,
         value: 'off'
       },
 
+      /**
+       * Bind this to the `<input is="iron-input">`'s `autosave` property, used with type=search.
+       */
+      autosave: {
+        type: String
+      },
+
+      /**
+       * Bind this to the `<input is="iron-input">`'s `results` property, , used with type=search.
+       */
+      results: {
+        type: Number
+      },
+
+      /**
+       * Bind this to the `<input is="iron-input">`'s `accept` property, , used with type=file.
+       */
+      accept: {
+        type: String
+      },
+
+      /**
+       * Bind this to the `<input is="iron-input">`'s `multiple` property, , used with type=file.
+       */
+      multiple: {
+        type: Boolean
+      },
+
       _ariaDescribedBy: {
         type: String,
         value: ''
       }
 
     },
 
     listeners: {
       'addon-attached': '_onAddonAttached'
     },
@@ skipping 122 matching lines @@
         });
       }
     }
 
   };
 
   /** @polymerBehavior */
   Polymer.PaperInputBehavior = [Polymer.IronControlState, Polymer.PaperInputBehaviorImpl];
 
 </script>