Removed redundant update of root nodes added to the scene because "addedToScene" updates the nodes immediately. Added debug log message when overloading an existing node.
Removed redundant update of root nodes added to the scene because
"addedToScene" updates the nodes immediately.
Added debug log message when overloading an existing node.

dtebbs/turbulenz_engine,sanyaade-teachings/turbulenz_engine,supriyantomaftuh/turbulenz_engine,turbulenz/turbulenz_engine,changemypath/turbulenz_engine,sanyaade-teachings/turbulenz_engine,turbulenz/turbulenz_engine,changemypath/turbulenz_engine,sanyaade-teachings/turbulenz_engine,dtebbs/turbulenz_engine,supriyantomaftuh/turbulenz_engine,dtebbs/turbulenz_engine,tianyutingxy/turbulenz_engine,tianyutingxy/turbulenz_engine,turbulenz/turbulenz_engine,dtebbs/turbulenz_engine,changemypath/turbulenz_engine,tianyutingxy/turbulenz_engine,youprofit/turbulenz_engine,tianyutingxy/turbulenz_engine,supriyantomaftuh/turbulenz_engine,youprofit/turbulenz_engine,turbulenz/turbulenz_engine,changemypath/turbulenz_engine,sanyaade-teachings/turbulenz_engine,changemypath/turbulenz_engine,tianyutingxy/turbulenz_engine,supriyantomaftuh/turbulenz_engine,youprofit/turbulenz_engine,youprofit/turbulenz_engine,turbulenz/turbulenz_engine,supriyantomaftuh/turbulenz_engine,dtebbs/turbulenz_engine,sanyaade-teachings/turbulenz_engine,youprofit/turbulenz_engine