QA output created by 788

=== nginx agent installation ===
You will need to choose an appropriate configuration for installation of
the "nginx" Performance Metrics Domain Agent (PMDA).

  collector	collect performance statistics on this system
  monitor	allow this system to monitor local and/or remote systems
  both		collector and monitor configuration for this system

Please enter c(ollector) or m(onitor) or b(oth) [b] 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 nginx metrics have appeared ... X metrics and Y values

=== remove nginx agent ===
Culling the Performance Metrics Name Space ...
nginx ... done
Updating the PMCD control file, and notifying PMCD ...
[...removing files...]
Check nginx metrics have gone away ... OK
Waiting for pmcd to terminate ...
Starting pmcd ... 
Starting pmlogger ... 
