Users can search dive sites

https://trello.com/c/BSCAV8cq/36-users-can-search-dive-sites

![searchdives](https://cloud.githubusercontent.com/assets/8681076/5304160/fa144730-7bbd-11e4-8f0b-f538b7109517.gif)

Use 2 (not 0) spaces for indentation.