Starts viewer from live card

* Started activity for start viewer command
* Added menu icon and updated text/id
* Added intent factory for TVA
REFACTOR: Added license information and abstracted fucntions
REFACTOR: Updated to new APIs
Making the live view work!

* Removed the renderer
* Used remote views instead of the render
* Checked publish status when creating the card
* Added some logging
Removed static card linking via voice trigger. You invoke the viewer by starting the live service and selecting show viewer (long, this view will automatically update the live card with different images and tag lines on a schedule).
Updated README