update contributors list

CONTRIBUTORS

@@ -25,12 +25,16 @@ Arthur Peters
 Bryan Cardillo
 Bryn Jeffries
 Carlos Lopez-Camey
+Cedric Martineau
 Chiamh
 Christoffer SOOP
 Colm Costelloe
 Damian Szczypior
 Ekkart Kleinod
 Emil Sauer Lynge
+Flole998
+Greg Oledzki
+Grzegorz Olędzki
 Hakan
 Hakan Işıktekin
 Hongjia Cao
@@ -50,12 +54,15 @@ Mykola Makhin
 Nathan Klick
 Nicolas Roduit
 Niklas Polke
+Ramon Chiara
 Ross Jourdain
 Roughy
+Sebastian Jaenicke
 Sylvain Furt
 Thomas Diesler
 Thomas Neidhart
 Tim Molter
+TomTroppmann
 Tomas Svensson
 Tornai András, PMK-ACS-SWA
 alessiosavi
@@ -71,4 +78,6 @@ rebaomi
 ruX[Ruslan Zaharov]
 timmolter
 yuan
+zhzzang
+