Mark preference pane view non-weak.

The ARC converter marked it weak because it's an outlet,
but that was breaking preferences.
Fix some more memory-management-related crashes.
Drop a couple more weak references.
More disallowed weak references nuked.
Fix weird alignment issue with the command line.

This via mega-hack, but it works for now. Hopefully we'll
figure out a better solution long term.
Drop frame on the command line.