Update contributor list

Change-Id: Ib49ead780e1e5e19bb692cf7ece3e91c271531e9
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

dist/changes-2.6.0

@@ -165,6 +165,7 @@ Credits go to:
     André Pönitz
     Aurélien Gâteau
     Aurindam Jana
+    axasia
     Bill King
     BogDan Vatra
     Bojan Petrovic
@@ -185,17 +186,20 @@ Credits go to:
     Fawzi Mohamed
     Flex Ferrum
     Francois Ferrand
+    Franklin Weng
     Friedemann Kleint
     hluk
     Hugues Delorme
     Jarek Kobus
     Jędrzej Nowacki
-    Joerg Bornemann
+    Jörg Bornemann
     Jonathan Liu
+    Juei-ray Tseng
     Juhapekka Piiroinen
     Kaffeine
     Kai Köhne
-    kh1
+    Kevin Krammer
+    Karsten Heimrich
     Knut Petter Svendsen
     Konstantin Ritt
     Konstantin Tokarev
@@ -208,6 +212,7 @@ Credits go to:
     Marius Storm-Olsen
     Martin Aumüller
     Mathias Hasselmann
+    Mehdi Fekari
     Montel Laurent
     Morten Johan Sorvig
     Nicolas Arnaud-Cormos
@@ -217,17 +222,21 @@ Credits go to:
     Oto Magaldadze
     Peter Kümmel
     Pierre Rossi
-    Robert Loehning
+    Przemyslaw Gorszkowski
+    raidsan
+    Robert Löhning
     Ryan May
     Sergey Belyashov
     Sergey Shambir
+    Sergio Ahumada
     Simjees Abraham
+    Stephen Kelly
     Takumi Asaki
     Theo J.A. de Vries
     Thiago Macieira
     Thomas Hartmann
     Thorbjørn Lindeijer
-    tjenssen
+    Tim Jenssen
     Tobias Hunger
     Tobias Nätterlund
     Tommi Asp