Appoint Dean Troyer as replacement for Morgan

Following the new process described in the recently-revised charter,
appoint Dean Troyer (who was next in line in the last TC elections
results[1]) as replacement for Morgan Fainberg for the remainder of
Morgan's original term. Dean confirmed his availability to serve
during the last meeting[2].

[1] http://civs.cs.cornell.edu/cgi-bin/results.pl?id=E_fef5cc22eb3dc27a
[2] http://eavesdrop.openstack.org/meetings/tc/2016/tc.2016-08-09-20.01.log.html#l-299

Change-Id: I49c202afe0f2b44cb59999ec9bb9da3b17586ca2

reference/members

@@ -1,6 +1,7 @@
 # Full name (IRC nickname) [expires in] {role}
 Anne Gentle (annegentle) [October 2016]
 Davanum Srinivas (dims) [April 2017]
+Dean Troyer (dtroyer) [April 2017]
 Doug Hellmann (dhellmann) [October 2016]
 Flavio Percoco (flaper87) [April 2017]
 John Garbutt (johnthetubaguy) [April 2017]
@@ -8,7 +9,6 @@ Kyle Mestery (mestery) [October 2016]
 Matthew Treinish (mtreinish) [April 2017]
 Mike Perez (thingee) [April 2017]
 Monty Taylor (mordred) [October 2016]
-Morgan Fainberg (morgan/notmorgan) [April 2017]
 Russell Bryant (russellb) [October 2016]
 Sean Dague (sdague) [October 2016]
 Thierry Carrez (ttx) [April 2017] {chair}