remove JAVA lib and dependency update
actually need log4j.properties under ./src
update dependnecy versions, site reporting, etc.
pass 3 test cases for different data types
update to use new python aws api tools
specify adding files recursively under input dir
use ArrayDouble instaed of ArrayFloat
add file recursively
add method 1-to-1 copy files from S3 to HDFS and encoding
change logger impelementation