3 new paramters:
      DiskSyncSize - Outstanding disk writes before sync (default 4M)
      DiskCheckpointSpeed - Write speed of LCP in bytes/sec (default 10M)
      DiskCheckpointSpeedInRestart - As above but during LCP (default 100M)

      Depricated old NoOfDiskPagesToDisk*

    - Change NoOfFragmentLogFiles default to 16 (1Gb)


storage/ndb/include/kernel/signaldata/BackupContinueB.hpp:
  Add possibility to limitat of disk write speed in backup
storage/ndb/include/mgmapi/mgmapi_config_parameters.h:
  Add possibility to limitat of disk write speed in backup
storage/ndb/src/kernel/blocks/backup/Backup.cpp:
  Add possibility to limitat of disk write speed in backup
storage/ndb/src/kernel/blocks/backup/Backup.hpp:
  Add possibility to limitat of disk write speed in backup
storage/ndb/src/kernel/blocks/backup/BackupInit.cpp:
  Add possibility to limitat of disk write speed in backup
storage/ndb/src/mgmsrv/ConfigInfo.cpp:
  Add possibility to limitat of disk write speed in backup
  Change NoOfFragmentLogFiles default to 16 (1Gb)
  DiskSyncSize
  DiskCheckpointSpeed
  DiskCheckpointSpeedInRestart
storage/ndb/src/mgmsrv/InitConfigFileParser.cpp:
  Handle deprication warning also in my.cnf format