[MPDX-163] add contacts map

![contacts_-_mpdx](https://cloud.githubusercontent.com/assets/1080613/4429586/9adeeeaa-45f3-11e4-93cf-d1be7a7582ad.png)
Uses the filtered contacts and Smarty Streets geocoding.

I would like to roll this out as tester feature to test how it handles 400+ contacts.
You can leave the 'key' var out here if you want.  Not needed.  Otherwise looks great!