Update version number in README
Update version number in README

fnothaft/Hadoop-BAM,ryan-williams/Hadoop-BAM,fnothaft/Hadoop-BAM,HadoopGenomics/Hadoop-BAM,HadoopGenomics/Hadoop-BAM,fnothaft/Hadoop-BAM,HadoopGenomics/Hadoop-BAM,ryan-williams/Hadoop-BAM