pcp updates: qa, fixes, pmdaunbound. rc_pmcd

[Nathan Scott <nathans@xxxxxxxxxx>]

Changes committed to git://git.pcp.io/pcp.git dev

Jan-Frode Myklebust (1):
      pmda unbound: a new PMDA for the Unbound DNS resolver

Nathan Scott (7):
      pmdalinux: ensure long help text entries wrap at 80 columns
      pmdalinux: fix compiler warning in network struct zeroing
      rc_pmcd: execute _pmda_setup in the background
      qa: correct some header comments for a couple of tests
      pmda unbound: add initial tests for Unbound DNS resolver PMDA
      pmda dmcache: more elegant handling of missing dmsetup binary
      qa: add unbound pmda qa data files into the build

 qa/.gitignore                        |    1 
 qa/300                               |   12 
 qa/300.out                           |   19 
 qa/300.out.1                         |   17 
 qa/300.out.2                         |   19 
 qa/754                               |   60 +
 qa/754.out                           |  706 +++++++++++++++++
 qa/756                               |    2 
 qa/757                               |    2 
 qa/759                               |   83 ++
 qa/759.out                           |  168 ++++
 qa/GNUmakefile                       |    2 
 qa/group                             |    5 
 qa/unbound/GNUmakefile               |   20 
 qa/unbound/metrics.list              |  140 +++
 qa/unbound/test.sh                   |   14 
 qa/unbound/unbound-control-stats-001 |  230 +++++
 qa/unbound/unbound-control-stats-002 |  152 +++
 src/pmcd/rc_pmcd                     |   12 
 src/pmdas/GNUmakefile                |    2 
 src/pmdas/dmcache/pmdadmcache.python |   22 
 src/pmdas/linux/help                 |   68 +
 src/pmdas/linux/proc_net_dev.c       |   10 
 src/pmdas/unbound/.gitignore         |    5 
 src/pmdas/unbound/GNUmakefile        |   40 +
 src/pmdas/unbound/Install            |   28 
 src/pmdas/unbound/Remove             |   25 
 src/pmdas/unbound/pmdaunbound.1      |   65 +
 src/pmdas/unbound/pmdaunbound.python | 1373 ++++++++++++++++++++++++++++++++++-
 29 files changed, 3201 insertions(+), 101 deletions(-)