Few players actually have one of these negotiated no-trade provisions (currently only Carmelo Anthony, Kobe Bryant, Tim Duncan, Kevin Garnett, Dirk Nowitzki and Dwyane Wade have them).
Banned temporarily for, among other sins, being "Extremely Deviant".
Yes. From that list, only Melo and Dirk are still applicable.
Since there's a brand new CBA that's been signed, there will be a brand new FAQ coming in the next few months, with everything new and up to date, and this one will be archived.
No. D Will had no-trade control because of the quirks of the rules applying to his contract (he signed a one-year deal with his prior team), but there was not a no-trade negotiated for and written into his deal.