also add cotributors of moar,nqp and roast

docs/announce/2015.05.md

@@ -53,11 +53,12 @@ Parrot, the Perl 6 test suite, MoarVM and the specification.
 The following people contributed to this release:
 
 Elizabeth Mattijsen, Jonathan Worthington, Tobias Leich, Paul Cochrane,
-Christian Bartolomäus, Larry Wall, Rob Hoelz, Carl Masak, Jeffrey Goff,
-Will "Coke" Coleda, Moritz Lenz, Jonathan Stowe, Timo Paulssen, tony-o,
-Pepe Schwarz, Brent Laabs, Steve Mynott, Bart Wiegmans, raydiak, skids,
-Radek Slupik, Brad Gilbert, Solomon Foster, Elise, Sterling Hanenkamp,
-Arne Skjærholt, Stefan Seifert, jdv79, Nick Logan
+Larry Wall, Rob Hoelz, Carl Masak, Timo Paulssen, Christian Bartolomäus,
+Will "Coke" Coleda, Bart Wiegmans, Moritz Lenz, Jonathan Stowe, skids,
+Pepe Schwarz, Brent Laabs, Steve Mynott, Jeffrey Goff, Solomon Foster,
+Radek Slupik, Arne Skjærholt, Elise, raydiak, Sterling Hanenkamp, tony-o,
+Stefan Seifert, Jimmy Zhuo, Nicholas Clark, Brad Gilbert, Nick Logan,
+ven, jdv79
 
 If you would like to contribute, see <http://rakudo.org/how-to-help>,
 ask on the <perl6-compiler@perl.org> mailing list, or ask on IRC #perl6