Changelog: Add credits

Change-Id: I17022a9d52fef5b4912e580e599a968f24a794dd
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

dist/changes-3.3.0

@@ -169,3 +169,65 @@ Tools:
    * Removed unused zeroconf wrapper
 
 Credits for these changes go to:
+
+Adam Strzelecki
+Alessandro Portale
+André Pönitz
+Alex Blasche
+André Hartmann
+BogDan Vatra
+Caroline Chao
+Charles Huet
+Christian Kandeler
+Christian Stenger
+Daniel Teske
+David Schulz
+Dieter Piringer
+Eike Ziller
+El Mehdi Fekari
+Erik Verbruggen
+Eskil Abrahamsen Blomfeldt
+Fawzi Mohamed
+Filipp Ozinov
+Finn Brudal
+Francois Ferrand
+Friedemann Kleint
+Gabriel Hege
+Jake Petroules
+Jaroslaw Kobus
+James McDonnell
+Jörg Bornemann
+Kai Koehne
+Leena Miettinen
+Lukas Holecek
+Marco Bubke
+Mika Attila
+Mitch Curtis
+Nikita Baryshnikov
+Nikolai Kosjar
+Oliver Wolff
+Orgad Shaneh
+Oswald Buddenhagen
+Przemyslaw Gorszkowski
+Rafael Roquetto
+Ray Donnelly
+Robert Löhning
+Samuel Gaist
+Sebastian Sauer
+Sergey Belyashov
+Steve Mokris
+Takao Fujiwara
+Takumi Asaki
+Thiago Macieira
+Thomas Epting
+Thomas Hartmann
+Thomas Otto
+Thorben Kroeger
+Tim Jenssen
+Tim Sander
+Tobias Hunger
+Tommi Asp
+Topi Reinio
+Ulf Hermann
+Viktor Ostashevskyi
+Volker Vogelhuber