Add default or custom image 

1) We need to hook into the online only roasters so that they display a default image instead of the google maps default that is currently showing up. 

2) The second part of the this would to hook into the unused Image URL field in the backend  and use whatever image is there. This would override Maps and Default Image. 

Order of display:
1) Custom image (if Image URL has an image)
2) Google Streetview (if location available)
3) Default image (if no location and no image in Image URL field)