Search for courses

[gschorkopf]

http://www.dgcoursereview.com/api.php
http://www.pdga.com/course-directory

When I'm creating a new round (#21):

• It would be nice if: the app could guess based on current location of my device what disc golf course I'm playing
• It would be nice if: the app could search a database for the most likely disc golf courses

It would be nice to use dgcoursereview or pdga because they'll keep us up to date, but I'm open to just grabbing the information from the site and putting it in our database