Some bottom bar weirdness was occuring occasionally, this might be more reliable?
Removed redudant property setters
Browser view nav title comes from web view document title

Browser view now shows the document title of the page loaded in the
webview as the navigation title of the view, if exists. Otherwise,
remains "Browser" as it did previously.
Still playing around with loading overlays

Also, some code cleanup
Better fart randomization
Minor formatting cleanup after ARC merge