Cleaned up required modules, and removed old socket.io.
Add 'express' dependency to fix the static file server, and symlink stuff in
Shared so that it's available to both the backend and the frontend.
Add workaround for broken commnad processing.
Remove super-annoying alert from termkit.js.
Fix uses of Mozilla callable-regexp extension.
Eugh, missed one file.  Fix even more Mozillan regexp calls.
Fix command execution to no longer break for unknown commands.