userland implementation of the UDF filesystem

 UDFclient is a userland implementation of the UDF filesystem as defined by the
 OSTA group. UDFclient is designed to be a study platform and a run-up to a full
 read and write kernel level implementation.
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 Except udfclient it contains additional utilities:
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  cd_disect - Display report of disc
  cd_sessions - Show sessions on disc
  mmc_format - Format optical disc
  newfs_udf - Create UDF filesystem on file or a formatted disc
  udfclient - FTP-like client for UDF filesystem
  udfdump - Dump information from UDF filesystem