beginning setting refactoring
implemented settings framework

Fixes #142.
cleaning up Experiments/Settings
Enable "Going Back" to the "Analyzer" Step

So easy!
Removed non-Functional "Basso Seguente" Button

I would fix it... it should be easy... but not in this branch.
Brought Back VisTextDisplay from vis7

Now, for text-based output, we must view it before we can save it!
Add *.nja Files to .gitignore

Because I'm trying out NINJA-IDE.
Working Toward a Display Object for Charts

It's almost there, just one little problem... a segfault...
Brought Back VisTextDisplay from vis7

Now, for text-based output, we must view it before we can save it!
Revise GUI

- Removed a few unnecessary spacers and buttons.
- Make "multiprocessing" the default choice.
Removed the Complicated Settings

So now it works again.
Merge branch 'hack_day' of github.com:crantila/vis into hack_day

Conflicts:
	controllers/display_handler.py