WL#11796 Ndb : Basic support for merging backups via ndb_restore

ndb_restore is extended to support a new --remap-column option
which allows per-column remapping functions to be defined which
will be applied during restore of a backup.

The offset column remapping function can be used to modify the
values of integer columns restored from a backup so that they
are in a different range to those already stored in that cluster.

ndb_desc is extended to support two new options :
  --context : Gives more information about a table's context
              to simplify automatic output parsing
  --autoinc : Gives the current next autoincrement value
              for the table, if available

These new options can be used together to automatically merge
backups where autoincrement column values are offset.

Seven new MTR test cases are defined :

   ndb_desc_extra
   ndb_restore_conv_remap_basic
   ndb_restore_conv_remap_auto
   ndb_restore_conv_remap_debug
   ndb_restore_conv_remap_negative
   ndb_restore_conv_remap
   ndb_restore_conv_pk_slice_remap

Approved by : Priyanka Sangam <priyanka.sangam@oracle.com>

Author: frazerclement

mysql-test/suite/ndb/include/ndb_desc_print.inc

@@ -17,7 +17,8 @@ replace_regex /Version: [0-9]*/Version: Any/
               /NDB\$BLOB_[0-9]*_/NDB$BLOB_XX_/
               /Length of frm data: [0-9]*/Length of frm data: XXX/
               /IndexTable [0-9]*/IndexTable XX/
-              /^([0-9][0-9]*) [0-9 	]*/\1 .../;
+              /^([0-9][0-9]*) [0-9 	]*/\1 .../
+              /Table id: [0-9]*/Table id: XXX/;
 --exec $ndb_desc_cmd
 
 # Reset argument variable in order to detect missing assignment