wmagent's manage script requires WORKLOAD_SUMMARY_* variables

Something strange happens with wmagent's manage script, not placing any options gives:

http://http://se9.accre.vanderbilt.edu:5984:5984/workloadsummary

to wmagent-mod-config which fails because it's unparsable. Something's getting matched improperly

Start by locating wmagent's manage script and the code that assembles the workload-summary URL before invoking wmagent-mod-config. Reproduce the no-option case and trace how the WORKLOAD_SUMMARY_* variables are matched. Done means the generated URL is parseable and no longer duplicates the protocol or port.

Written by the indexing model from the issue text.