Rough hashing out of the GUI

It's ugly and doesn't do anything, but it's coming along.
.kv files aren't working out nicely for some reason, but eventually I'd
like to have them so my business logic doesn't get too crowded
Cleaner GUI

- Got it looking more how I wanted
- Got kvlang working
- Included an image
- Needs to start getting some business logic
More on the GUI.

DropDowns don't seem to work how I expect them to.  Gotta keep looking
at this, and then I have to work out how to make sys.stdout print to the
Label I want to
Started testing

Used mock from PyPI.
Merge pull request #8 from Dannnno/GUI_sockselect

Gui sockselect