My IBM email addresses haven't worked for years; also map some
old-but-functional forwarding addresses to my canonical address.

Update my GPG key fingerprint; I moved to 4096R a long time ago.

Update description.
Signed-off-by: NJosh Triplett <josh@joshtriplett.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>