Merge ~pieq/plainbox-provider-certification-server:master into plainbox-provider-certification-server:master

[Pierre Equoy]

Added a config file used by the bumpversion tool we use along with the new tools to perform git releases.

See Trello card [1] and release tools for git repos [2] for more information.

[1] https://trello.com/c/AQTEPzaU/19-as-sylvain-i-want-the-release-tools-to-be-ready-to-be-used-with-git-so-i-don-t-have-to-release-manually-once-we-make-the-switch
[2] https://code.launchpad.net/~sylvain-pineau/checkbox/git_release_tools/+merge/300592

[Sylvain Pineau (sylvain-pineau)]

+1, thanks

review: Approve

diff --git a/.bumpversion.cfg b/.bumpversion.cfg
new file mode 100644
index 0000000..823a83f
--- /dev/null
+++ b/.bumpversion.cfg
@@ -0,0 +1,14 @@
+[bumpversion]
+current_version = 0.28
+files = manage.py
+parse = (?P<major>\d+)\.(?P<minor>\d+)(\.(?P<patch>\d+))?((?P<release>\.?[a-z]+)(?P<N>\d+))?
+serialize =
+	{major}.{minor}.{patch}{release}{N}
+	{major}.{minor}.{patch}
+
+[bumpversion:part:release]
+optional_value = RELEASE
+values =
+	.dev
+	rc
+	RELEASE