[Development] QFileSystemWatcher and Recursive Monitoring

[logic.cpp]

BH

Alright I'll begin trying to implement some of this, possibly inside
the QFileSystemWatcher class itself.

But don't expect much, this is opensauce after all so I might come
back in a few months and yawn "Oh right, QFileSystemWatcher... forgot
about that" :D

Though if some volunteers can help implement the Linux/X11 inotify and
MacOSX FSEvents/Kqueue parts, that would help motivate a little (and
get everything coded sooner) since I'm mainly familiar with the
Windows ReadDirectoryChangesW end.

Cheers

-regedit