Allow to pass sign to scc tag-release
Merge pull request #151 from sbesson/tagrelease_sign

Allow to pass sign to scc tag-release
Fix scc to comply with PEP8 1.5.0
Merge pull request #154 from sbesson/pep8_1.5.0

Fix scc to comply with PEP8 1.5.0
Merge remote-tracking branch 'origin/master' into branch_tracking