Added example of CcpNmr analysis exported Sparky file.

Work in progress for Support Request #3044, (https://gna.org/support/index.php?3044) - Load spins from SPARKY list.
Added system test for reading CcpNmr Analysis exported sparky file

Work in progress for Support Request #3044, (https://gna.org/support/index.php?3044) - Load spins from SPARKY list.
Modified reading of sparky files, when exported from CcpNmr Analysis.

The keyword 'Data' is not present here.

Work in progress for Support Request #3044, (https://gna.org/support/index.php?3044) - Load spins from SPARKY list.