jdv79 and Justin DeVuyst are the same person

jdv79++

docs/announce/2015.05.md

@@ -57,7 +57,7 @@ Arne Skjærholt, Paul Cochrane, Larry Wall, Rob Hoelz, Carl Masak, raydiak,
 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, Elise, tony-o, Stefan Seifert,
-Jimmy Zhuo, Nicholas Clark, Brad Gilbert, Nick Logan, ven, jdv79, lembark,
+Jimmy Zhuo, Nicholas Clark, Brad Gilbert, Nick Logan, ven, lembark,
 Justin DeVuyst, David Warring, Xinyuan Wang, David Farrell
 
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