upgpkg: python-logilab-common 0.63.1-1

- upstream new release
- enable tests
- add missing optdepend: six


git-svn-id: file:///srv/repos/svn-packages/svn@227173 eb2447ed-0c53-47e4-bac8-5bc4a241df78
archrelease: copy trunk to extra-any

git-svn-id: file:///srv/repos/svn-packages/svn@227174 eb2447ed-0c53-47e4-bac8-5bc4a241df78