rebased onto cc14fd611a1761d3483e2723f751fd0a0daa22ca

1 new commit added

• fix typo

33 new commits added

• update for last fix
• build_references: fix the type of event_id used by max
• flake8: apply rules for koji-sidetag-cleanup
• still use BaseException for logging purpose
• use Exception instead of BaseException for bare expection
• flake8: ignore F812 rule for PY2
• flake8: update contribution guide for flake8
• add test-requirements.txt to install testing related modules by pip
• flake8: apply all rules after rebasing
• flake8: apply W rules (prefering W503)
• flake8: apply E501 with max-line-length=99
• flake8: apply all rest E7 rules
• flake8: apply E71x rule
• flake8: apply E70x rule
• flake8: apply E502 rule
• flake8: apply E4 rules and ignore E402 in sidetag_hub plugin
• flake8: apply E3 rules
• flake8: apply E2 rules except E266
• flake8: apply E1 rules
• flake8: apply E265 for util/koji-*
• flake8: apply F rules for koji-shadow
• refine import style
• flake8: util/koji-* were ignored
• flake8: follow E265 rule
• flake8: follow all F rules
• Disable notifications from clone-tag by default
• allow python to find its own version of nose rather than looking for a binary which may not exist
• add missing koji-sidetag-cleanup script
• Include livemedia builds in accepted wrapperRPM methods
• insert path before import kojihub
• update docs to current jenkins setup
• move _apidoc cache to session
• Add doc string for virtual methods

rebased onto e4fa53f8ea52febccaf93af06bf5b62663f0b658

Pull-Request has been merged by tkopecek