Release openstack-doc-tools 0.30.1

This release is needed to fix building of translated Debian Install
Guide in openstack-manuals.

Change-Id: I28f4241d31850e8d1390fcb1c87bb05bca7ef061

deliverables/liberty/openstack-doc-tools.yaml

@@ -29,3 +29,7 @@ releases:
     projects:
       - repo: openstack/openstack-doc-tools
         hash: eb5f3ef18f4fc80b44cc5f767b083b47251660ca
+  - version: 0.30.1
+    projects:
+      - repo: openstack/openstack-doc-tools
+        hash: bd539fc715721f351003065922438a7895b91ef8