* DaemonThread.scala: added WgetExternalIP() here; it should be called upon startup
* YIFYProcessor.scala:
* DaemonThread.scala: removed WgetExternalIP()
* XMPPMonitor.scala: added WgetExternalIP(); fixed the problem where scala complains about comparing null to Integer
* YIFYProcessor.scala:
* YIFYProcessor.scala: fixed problems with wget not downloading images (changed -P to --directory-prefix=) and output image still pointing to yts.re instead of our local box