changed RT timing to IceUtil::Time again

source/RobotAPI/components/units/RobotUnit/util/RtTiming.h

@@ -31,9 +31,10 @@ namespace armarx
 {
     inline IceUtil::Time rtNow()
     {
-        using namespace std::chrono;
-        auto epoch = time_point_cast<microseconds>(high_resolution_clock::now()).time_since_epoch();
-        return IceUtil::Time::microSeconds(duration_cast<milliseconds>(epoch).count());
+        return IceUtil::Time::now(IceUtil::Time::Monotonic);
+        //        using namespace std::chrono;
+        //        auto epoch = time_point_cast<microseconds>(high_resolution_clock::now()).time_since_epoch();
+        //        return IceUtil::Time::microSeconds(duration_cast<milliseconds>(epoch).count());
     }
 }