HPCC-9341 Add ecl-publish support for suspend and delete previous

Adds command line support for suspending or deleting the previously
active query when publishing and activating a query.

Signed-off-by: Anthony Fishbeck <Anthony.Fishbeck@lexisnexis.com>
Merge branch 'publishDeletePrevious9341' into candidate-4.0.0

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>