(this lets us specify lots of my.info references to make sure we harvest fresh data, rather than depending upon stat propogation)
usage: NetMonitor [configFilename] [--routers filename[,filename]*]
'ant prepGUI' to fetch and prepare the jfreechart code
'ant buildGUI' to build the jars necessary
'ant distGUI' to build a gui.zip that contains the jars and a
license notice related to the LGPL and APL software linked
within it.
("installing" the GUI == unzip gui.zip into the I2P install dir)