Add --prefix option to scc tag-release to allow custom tag prefix
Parametrize additional test_tag_release integration tests
Merge pull request #160 from sbesson/tag_release_sign

Tag release sign
Merge remote-tracking branch 'origin/master' into tag_release_prefix

Conflicts:
	scc/git.py
Add `scc milestone update` subcommand

- Add MilestoneCommand.update() method
- Refactor permissions check into MilestoneCommand.check_write_permissions()
- Define methods for grouping arguments (title, description/date)
Add implementation for setting the due date at milestone creation/edition
Add date formatting to the help in the milestone subcommands
merge master -D org: PR 157 (Milestone command)
merge master -D org: PR 159 (Tag release prefix)
merge master -D org

Repository: openmicroscopy/snoopycrimecop
Already up-to-date.

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

Generated by SCC-merge#295 (http://ci.openmicroscopy.org/job/SCC-merge/295/)