Update AUTHORS file

AUTHORS

@@ -5,9 +5,12 @@ Programming
 Felix Paul Kühne
 Gleb Pinigin
 Jean-Baptiste Kempf
+Romain Goyet
+Jean-Romain Prévost
 
 Artwork
 -------
+Damien Erambert
 Felix Paul Kühne
 Ludovic Fauvet
 
@@ -15,3 +18,10 @@ Localization
 ------------
 Felix Paul Kühne - German, French
 Gleb Pinigin - Russian
+Adrien Maglo - French
+Luca Barbato - Italian
+Keiji Costantini - Japanese
+Christian Kosim - Indonesian
+Helena Arndt - Spanish
+Ilkka Ollakka - Finish
+