OTHER-932 commit work done by eddie: commented out logger
OTHER-932 commit work done by eddie: change class File to interface.
OTHER-932 commit work done by eddie: get the file using object directory.
OTHER-932 commit work done by eddie: added getRandomAccessFile
OTHER-932 commit work done by eddie: reimplement FSRandomAccessFile
OTHER-932 commit work done by eddie: added class ACassandraRandomAccessFile and class ACassandraRandomAccessFile
OTHER-932 commit work done by eddie: reimplement HadoopFile
OTHER-932 commit work done by eddie: removed implement RandomAccessFile
OTHER-932 commit work done by eddie: change class RandomAccessFile to interface.
OTHER-932 commit work done by eddie: get the file using object directory.
OTHER-932 commit work done by eddie: create lock file by getting lockDir.
OTHER-932 commit work done by eddie: added two method getFileName and getCassandraPath
OTHER-932 commit work done by eddie: added useACassandra and additional metric logging.
OTHER-932 commit work done by eddie: added useACassandra.