Update contributors

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

html/cgi-bin/credits.cgi

@@ -64,8 +64,8 @@ Michael Tremer,
 Arne Fitzenreiter,
 Stefan Schantl,
 Christian Schmidt,
-Alexander Marx,
 Matthias Fischer,
+Alexander Marx,
 Peter Müller,
 Erik Kapfer,
 Jan Paul Tücking,
@@ -83,13 +83,13 @@ Stephan Feddersen,
 Timo Eissler,
 Stéphane Pautrel,
 Jan Lentfer,
+Leo-Andres Hofmann,
 Marcus Scholz,
 Ersan Yildirim,
 Jörn-Ingo Weigert,
 Alexander Koch,
 Wolfgang Apolinarski,
 Alfred Haas,
-Leo-Andres Hofmann,
 Lars Schuhmacher,
 Rene Zingel,
 Sascha Kilian,
@@ -139,6 +139,7 @@ Osmar Gonzalez,
 Paul T. Simmons,
 Rob Brewer,
 Robert Möker,
+Roberto Peña,
 Stefan Ernst,
 Stefan Ferstl,
 Steffen Klammer,