in logging each run by a worker, includes the count of how many jobs that worker has completed
only updated a logging message
added routine to load the properties file
parameters are now loaded from a properties file and the only parameter is the path to the directory containing pagerank.properties
added the log4j.properties file to the repository
added new properties file for loading parameters
updated README for now loading parameters from a property file
added the jar to the repository - version that loads from properties file