Fix #183: Show bundled elements/behaviors if needed
Fix #183: Show bundled elements/behaviors if needed

Gpx/polymer-element-catalog,googlearchive/polymer-element-catalog,Gpx/polymer-element-catalog,wonderweblabs/polymer-element-catalog,googlearchive/polymer-element-catalog,Gpx/polymer-element-catalog,wonderweblabs/polymer-element-catalog,googlearchive/polymer-element-catalog,Polymer/polymer-element-catalog,Polymer/polymer-element-catalog,wonderweblabs/polymer-element-catalog,Polymer/polymer-element-catalog