Map annotation


This is work in progress on the UI side of annotations on the map. 

This pull request includes:

 * upgraded to HEAD leaflet
 * integrated leaflet-draw 0.2
 * added google terrain+hybrid basemaps
 * setting page_size to 300 for locations
 * some styling for customer presentation
 

![Screen Shot 2013-03-01 at 2 18 11 PM](https://f.cloud.github.com/assets/7193/209564/8235542a-8272-11e2-8099-d23e8af3d098.png)