XD-1196 Aligning filehdfs batch job defaults with hdfs sink

- changing job name to filepoll2hdfs

- changing basePath default to /xd/<jobname>

- changing suffix default to csv

XD-1196 Changing job name to filepollhdfs for consistency with other job names

XD-1196 Changing properties for HDFS output to be directory, fileName and fileExtension

XD-1196 Updating test script with new property names