[pcp] pcp updates: perl, webd, qa

[Frank Ch. Eigler]

Nathan Scott <nathans at redhat.com> writes:

> commit 9bfaa795c5f990c62f9f91209b914a389ac9d9e4
> Author: Nathan Scott <nathans at redhat.com>
> Date:   Wed Sep 2 10:23:55 2015 +1000
>
>     pmwebd: fix thread safety issues in many PMAPI string calls

Were there actual thread safety issues observed, or was this just
preemptive cleanup?  The pmwebapi.cxx code runs single-threaded.


- FChE