Prevent 'NUMBER NUMBER' from being parsed.
Beginnings of connect support. Refactor of hover and drag into scrubbing.coffee.
Remove almost all log statements
Connecting and then scrubbing works (everything is hard-coded into one connection at the moment).
Slightly better selection/cursor movement behavior wrt scrubbing. Cursor is visible through connection highlight.
Multi-cid connect support, backed by a connections list. Also, rewrite drag to use marks.