switched from quit unknown to die for hadoop classes exception catch
updated hadoop_hdfs_get_file_checksums.jy
integrated hadoop_hdfs_time_block_reads.py with re-instantiated python library
updated lib
rewrite to support multiple files and directories with recursion and global summary
added block read count
minor wording changes from last night
set multiple blocks automatically when one block per DN is specified to make sure we read one block from each datanode
added known issues and implications to usage() output