added aron duration type to ice interface and increased version

source/RobotAPI/interface/aron/Aron.ice

@@ -10,8 +10,8 @@
 
 #define ARON_MAJOR "1"
 #define ARON_MINOR "1"
-#define ARON_PATCH "1"
-#define ARON_VERSION "1.1.1"
+#define ARON_PATCH "2"
+#define ARON_VERSION "1.1.2"
 
 module armarx
 {
@@ -131,7 +131,8 @@ module armarx
                 class AronBool extends GenericType { };
 
                 /* ***** DTO Types ***** */
-                class AronDateTime extends GenericType { /*GenericType dtoType; perhaps add later */ };
+                class AronDateTime extends GenericType { };
+                class AronDuration extends GenericType { };
 
                 /* ***** Any Types ***** */
                 class AnyObject extends GenericType {};