[pcp] pcpqa updates

[Ken McDonell]

Changes committed to git://oss.sgi.com/pcp/pcpqa.git

 154.out.2           |   65 +++++++++++++++---------------------
 509                 |   48 +++++++++++++++++++++++++++
 509.out             |   92 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 group               |    3 +
 src-oss/pmdaqueue.c |   13 +++----
 src-oss/store.c     |   43 ++++++++++++++++++------
 6 files changed, 208 insertions(+), 56 deletions(-)

commit fb66ea4d7036d761434314eb4511babff43b5a96
Author: Ken McDonell <kenj at internode.on.net>
Date:   Thu Feb 9 16:16:31 2012 +1100

    509 (new) - dbpmda and derived metrics corner case
    
    Exposes a bug in pmcd/dbpmda handling of derived metrics and unknown
    metrics in same pmLookupName request.

commit d877f34da063a0f4c2683bdbc98740d483dc01f4
Author: Ken McDonell <kenj at internode.on.net>
Date:   Thu Feb 9 16:15:40 2012 +1100

    src-oss/store.c - more coverage, don't give up so easily

commit 0cd329d1dc80477fc985f8e2a2aa018767dafa46
Author: Ken McDonell <kenj at internode.on.net>
Date:   Thu Feb 9 16:13:52 2012 +1100

    154 changes after chkhelp changes
    
    -e option added, wording changed slightly in usage message

commit faa2b7a64d70c3248fcdc9c8ee01d83f51ab5ac9
Author: Ken McDonell <kenj at internode.on.net>
Date:   Tue Jan 10 09:16:15 2012 +1100

    src-oss/pmdaqueue.c - tidy up size_t use
    
    Fixes assorted compiler warnings and portability issues ... reviewed
    by Nathan.