Gk browser find realm files

Displays all realms on the hard drive in a convenient menu

https://www.dropbox.com/s/tvbckphmqag28nk/Screenshot%202014-09-08%2016.35.13.png?dl=0

How about `[NSPredicate predicateWithFormat:@"kMDItemFSName like[c] '*.realm'"]` (noticed the single quotes)