docs: clarified GroupPatterns docs, fixed typos
enable CI tests on py3.2
Portage: verify packages are the requested version, not the installed version
clarified purpose of COPYRIGHT file
tools: pylint/pep8 fixes

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>
Probes: Fix failing nosetests

Signed-off-by: Sol Jerome <sol.jerome@gmail.com>