void log(String msg, String user) {
		fileSystem.log(this, msg, user);
	}
Constructor for a new or existing item which corresponds to the specified 
property file.  
@param fileSystem file system
@param propertyFile property file
@param useDataDir if true the getDataDir() method must return an appropriate 
directory for data storage.
@param create if true the data directory will be created
@throws IOException
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/local/LocalFolderItem.java