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

Not in itself, but I have added and removed properties all over the place in my other branches, perhaps not in the class, so I could do it here and then do it for the other files later.