HPCC-10613 ConfigMgr - Thor topology should allow roxie to be added

  - If no eclagentprocess is in the thor topology than adding roxie
    is enabled.  If no roxie in thor topology than adding
    eclagentprocess is enabled.

Signed-off-by: Gleb Aronsky <gleb.aronsky@lexisnexis.com>
Merge pull request #5259 from garonsky/HPCC-10613_add_roxie_to_thor_cluster_topology_in_configmgr

HPCC-10613 ConfigMgr - Thor topology should allow roxie to be added

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>