PDIOMON-8 Added library files for Sigar. The Maven Repository doesn't seem to get the files needed for different OSs
PDIOMON-8 Modified build file to use the library files for sigar
PDIOMON-8 Fixed major bugs here and there. The Config object was not initialized at some times, HdfsRoot could possibly not exist, and the RegularExpression for grabbing filesizes for MongoDB was faulty