Added Petter Sundlof (peppo) to contributors & the about box

git-svn-id: svn://localhost/trunk/ardour2@91 d708f5d6-7413-0410-9779-e7cbd77b26cf

DOCUMENTATION/CONTRIBUTORS

@@ -23,6 +23,7 @@ Joshua Pritikin
 Rohan Drape
 Johan De Groote
 Bob Ham
+Petter Sundlöf
 
 I would particularly like to recognize:
 

gtk2_ardour/about.cc

@@ -137,6 +137,7 @@ static const char* authors[] = {
 	N_("Rob Holland"),
 	N_("Per Sigmond"),
 	N_("Doug Mclain"),
+	N_("Petter Sundlöf"),
 	0
 };