Implement better Editor/Scheme for Breakround on Round

[GoogleCodeExporter]

1. Make custom presets editable by textbox and save them in the defaults.  

2. Provide better editor for presets instead of simple textbox.

3. Create some scheme for arbitrary Breakround on Rounds?

Original issue reported on code.google.com by andreas....@gmail.com on 23 Apr 2013 at 6:04