update XML namespace.

phasecalculator/classes/xmlnamespacing.py

phasecalculator/test/classestest/moleculetest.py

phasecalculator/test/classestest/outputinformationtest.py

phasecalculator/test/classestest/phasestest.py

phasecalculator/test/classestest/phasetest.py

phasecalculator/test/classestest/runtimeinformationtest.py

phasecalculator/test/classestest/systemtest.py

phasecalculator/test/classestest/temperaturetest.py