ssa_db_helper.c: Adding initial functionality

[1] Dumping db_def record to db_def filewas added

[2] Dumping guid_to_lid table:
	db_table_def - guid_to_lid table definition is
		       stored in  guid_to_lid/table_def file
	db_dataset + data table - dataset header and the
				  data records are saved in
			 	  guid_to_lid/guid_to_lid_tbl file

[3] Debug mode was added as well. If SSA_DB_HELPER_DEBUG_MODE is
    defined the dump is done in human readable format

Signed-off-by: Ilya Nelkenbaum <ilyan@mellanox.com>