message: Fix polymer-2.x application paths
diff: <link rel="import" href="../../bower_components/polymer/polymer-element.html">
  -<!--<link rel="import" href="../polymer/lib/elements/dom-if.html">-->
  -<!--<link rel="import" href="../polymer/lib/elements/dom-repeat.html">-->
  +<!--<link rel="import" href="../../bower_components/polymer/lib/elements/dom-if.html">-->
  +<!--<link rel="import" href="../../bower_components/polymer/lib/elements/dom-repeat.html">-->
  <dom-module id="<%= elementName %>">
  <template>
  