Import oslo-incubator for versioning

After successfully adding openstack versioning to jenkins-job-builder
this add the same support for zuul.

Change-Id: Ia5baab2b0d9392c1b3c70bf890eaf7c6a2ea5c29
Signed-off-by: Paul Belanger <paul.belanger@polybeacon.com>
Reviewed-on: https://review.openstack.org/16219
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..baecf79
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,11 @@
+include AUTHORS
+include HACKING
+include LICENSE
+include README.rst
+include ChangeLog
+include tox.ini
+include zuul/versioninfo
+recursive-include etc *
+recursive-include doc *
+recursive-include tests *
+recursive-include tools *