PlatformDemo: fixing filenames

MotionPlanning/examples/PlatformDemo/PlatformDemo.cpp

@@ -30,7 +30,7 @@ int main(int argc, char** argv)
 
     std::cout << " --- START --- " << std::endl;
 
-    std::string filenameScene("/scenes/examples/PlatformDemo/PlatformDemo.xml");
+    std::string filenameScene("scenes/examples/PlatformDemo/PlatformDemo.xml");
     VirtualRobot::RuntimeEnvironment::getDataFileAbsolute(filenameScene);
     std::string rnsName("Planning");
     std::string colModel1("ColModel Robot Body");

VirtualRobot/data/scenes/examples/PlatformDemo/PlatformDemo.xml

@@ -3,7 +3,7 @@
 <Scene name="PlanningScene">
 
         <Robot name="Armar-III" initConfig="start">
-            <File>/robots/ArmarIII/ArmarIII_withPlatformJoints.xml</File>
+            <File>robots/ArmarIII/ArmarIII_withPlatformJoints.xml</File>
 
             <Configuration name="start">
                 <Node name="X_Platform" unit="mm" value="4500"/>