Minor fix by changing NodeActivity to be an executable script.
Minor fix by changing NodeActivity to be an executable script.

dcpssc/chariot,visor-vu/chariot,dcpssc/chariot,visor-vu/chariot,visor-vu/chariot,visor-vu/chariot,visor-vu/chariot-examples,dcpssc/chariot,dcpssc/chariot