Added support for tellstick devices and sensors

Adds the functionality to track and control tellstick devices and sensors
Please do not change this file. It is automatically generated by the build_frontend script. Apply your changes to [homeassistant/components/http/www_static/polymer/domain-icon.html](https://github.com/balloob/home-assistant/blob/master/homeassistant/components/http/www_static/polymer/domain-icon.html) and then run the build_polymer script. Make sure you also commit the new frontend.html and frontend.py files.