Implements a fallback to the default VHM log dir if the path specified in logging.properties can't be written to
http://bugzilla.eng.vmware.com/show_bug.cgi?id=1068807
Makes the path composition in readPropertiesFile work on Windows with / file separator
Updates assertRemainsTrue
http://bugzilla.eng.vmware.com/show_bug.cgi?id=1068807