QA output created by 1584

=== mongodb agent installation ===
Updating the Performance Metrics Name Space (PMNS) ...
Terminate PMDA if already installed ...
[...install files, make output...]
Updating the PMCD control file, and notifying PMCD ...
Check mongodb metrics have appeared ... X metrics and Y values
Check across all metrics for warnings on fetch
Check server version value matches mongo shell
Success - matching version numbers

=== remove mongodb agent ===
Culling the Performance Metrics Name Space ...
mongodb ... done
Updating the PMCD control file, and notifying PMCD ...
[...removing files...]
Check mongodb metrics have gone away ... OK
