Display documents

Initial main frame which holds the filemenu, report, and results panel
Can currently switch focus documents by selecting a report from the list.
Would be more readable as 
```
import codecs
with codecs.open('blah', 'r', encoding='utf8') as f:
    page = f.read()
wrapped_page = wordwrap(page, 50, ClientDC(self))
self.focus_doc.SetPage(wrapped_page)
```