pcp updates: merge pmcollectl fix from Stan

[Nathan Scott <nathans@xxxxxxxxxx>]

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

 CHANGELOG                    |    1 +
 build/rpm/devtoolset.spec    |    6 +++++-
 build/rpm/fedora.spec        |    5 ++++-
 src/pmcollectl/pmcollectl.py |    2 --
 4 files changed, 10 insertions(+), 4 deletions(-)

commit c9036d6d673596d52e31f24e652cf436b2ad54e3
Author: Nathan Scott <nathans@xxxxxxxxxx>
Date:   Fri Oct 5 08:58:37 2012 +1000

    Update changelog with Stans fix, spec file tweaks too

commit cc1f5352d02318053dc5ad1eb98529890013c8c2
Merge: 7310bae acdc965
Author: Stan Cox <scox@xxxxxxxxxx>
Date:   Thu Oct 4 15:26:53 2012 -0400

    Merge branch 'dev' into scox/dev

commit 7310bae3d48095eb7b7f00b7f5a71f49c55f6cd1
Author: Stan Cox <scox@xxxxxxxxxx>
Date:   Thu Oct 4 15:23:51 2012 -0400

    Remove unused pmcollectl imports.
    
    * pmcollectl.py (import):  Remove unused imports: unittest and argparse.