danish: da -> dk

WebContent/OSRM.config.js

@@ -43,7 +43,7 @@ OSRM.DEFAULTS = {
 	LANUGAGE_ONDEMAND_RELOADING: true,
 	LANGUAGE_SUPPORTED: [ 
 		{display_name:"en", encoding:"en"},
-		{display_name:"da", encoding:"da"},
+		{display_name:"dk", encoding:"dk"},
 		{display_name:"de", encoding:"de"},
 		{display_name:"fi", encoding:"fi"},
 		{display_name:"fr", encoding:"fr"},

WebContent/localization/OSRM.Locale.dk.js

@@ -19,7 +19,7 @@ or see http://www.gnu.org/licenses/agpl.txt.
 // [Danish language support]
 
 
-OSRM.Localization["da"] = {
+OSRM.Localization["dk"] = {
 //gui
 "OPEN_JOSM": "JOSM",
 "OPEN_OSMBUGS": "OSM Fejl",
@@ -91,4 +91,4 @@ OSRM.Localization["da"] = {
 
 //set GUI language on load
 if( OSRM.DEFAULTS.LANUGAGE_ONDEMAND_RELOADING == true )
-	OSRM.Localization.setLanguage("da");
+	OSRM.Localization.setLanguage("dk");