Add --prefix option to scc tag-release to allow custom tag prefix
Parametrize additional test_tag_release integration tests
Merge pull request #158 from sbesson/checkprs_fix

Fix scc check-prs by using find_branching_point()
merge master -D org: PR 157 (Milestone command)
merge master -D org: PR 159 (Tag release prefix)
merge master -D org

Repository: openmicroscopy/snoopycrimecop
Excluded PRs:
  # PR 160 sbesson 'Tag release sign' (status: error)
Already up-to-date.

Merged PRs:
  # PR 157 sbesson 'Milestone command'
  # PR 159 sbesson 'Tag release prefix'

Generated by SCC-merge#292 (http://ci.openmicroscopy.org/job/SCC-merge/292/)