User needs to be able to get the base path of a Profile file so that files may be save relative to the Project location in the filesystem.  Example is ...

var rootPath = aqua.project.getAquaScriptsRootFolder().getLocalFile();
var myFile = rootPath + "/file.txt";
aqua.console.println("Save file to ... " + myFile);

Which provides a result of :

>> Save file to ... /home/username/test/NielsAquaProject/AquaScripts/file.txt

rootPath is a java.io.File ...

http://docs.oracle.com/javase/6/docs/api/java/io/File.html