HPCC-9014 Roxie Manual Correction

Fix HPCC-9014 Roxie Manual Correction
Correct couple instances of incorrect
command line parameter, change package
to packagemap.

Signed-off-by: g-pan <greg.panagiotatos@lexisnexis.com>
Merge pull request #4170 from g-pan/H9014

HPCC-9014 Roxie Manual Correction

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>