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...