[pcp] pcp updates

[Mark Goodwin]

Changes committed to git://oss.sgi.com/markgw/pcp/pcp.git dev

Here's my remaining Coverity issues for :
         libpcp_mmv libpcp_pmcd newhelp pmcpp pmstat libpcp_import pmns
         pmevent pminfo cpan pmdumplog libpcp_trace pmlc libpcp_http
         pmlogreduce

Of these, 65 85 86 151 152 336 346 352 still need work if anyone has time.
I've also pulled Ken's and Nathan's dev branches and done test builds
but not QA.

Attached annotated Coverity err file (due to the long lines).


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