Add possibility to backup and restore database including index data (pages) not 
only definition
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                 Key: CORE-5115
                 URL: http://tracker.firebirdsql.org/browse/CORE-5115
             Project: Firebird Core
          Issue Type: New Feature
          Components: GBAK
            Reporter: Karol Bieniaszewski


Hi,

now when we do backup it store only index definition without data
it is ok from backup time POV and backup size POV
but restore time is increased by need of recreation of indexes data.
Especially it need very big disc space to sort index on big databases at 
recreation time.

Will be good to see option to backup database with index pages
then restore time will be faster and will consume small amount of resources.

Nbackup is not good here because we need to have table data reorganized and 
defragmented.
We can accept index fragmentation.

Will be good also to have switch to ignore index data form backup file if 
backup was created in this new way.

This is slightly corealated with CORE-2992

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