HPCC-10656 Roxie in standalone mode should not be xml encoding output strings

When -xml (or -json) is not specified, Roxie should not encode string outputs.

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>
HPCC-11961 Roxie json output of scalar data should be quoted

Signed-off-by: Anthony Fishbeck <anthony.fishbeck@lexisnexis.com>
Merge pull request #6274 from afishbeck/roxie-json-scalar-data

Roxie json output of scalar data should be quoted

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>