Updates to the fedpkg package: - Remove @check_newstyle_branches decorator - PEP 8 compliance changes - retire: Ask for password only when required - fedpkg: Show full exception if verbose - add new s390 and ppc only packages

Updates to the rpkg package: - Compare fuller remote branch name with local branch before build - Refactor mock results dir to property - Add skip-diffs option for import_srpms - Properly remove possible .py when creating man pages - Process srpm imports to empty repositories more explicitly - Make UPLOADEXTS a class variable that can be extended - Introduce self.default_branch_remote for fresh clones - On self.path change reset properties which could used old value - Remove file names during srpm import in more extensible way - License replaced with official GPL 2.0 license from gnu.org (pbabinca) - Allow "rpkg commit -s"