Publish draft to Liberty as well

In preparation for release, publish the guides to Liberty.

Do this early so that we can test that all of this works fine and the
guides are generated fine.

Change-Id: I07c5c5321ed0c873b2cb67211af9021660d5bf67

tools/publishdocs.sh

@@ -31,6 +31,8 @@ function copy_to_branch {
         cp -a publish-docs/draft/* publish-docs/$BRANCH/
         # We don't need this file
         rm -f publish-docs/$BRANCH/draft-index.html
+        # We don't need Contributor Guide
+        rm -rf publish-docs/$BRANCH/contributor-guide
 
         for f in $(find publish-docs/$BRANCH -name "atom.xml"); do
             sed -i -e "s|/draft/|/$BRANCH/|g" $f
@@ -68,7 +70,7 @@ fi
 if [ "$PUBLISH" = "publish" ] ; then
     openstack-doc-test --check-build --publish
     # For publishing to both /draft and /BRANCH
-    # copy_to_branch kilo
+    copy_to_branch liberty
 else
     openstack-doc-test --check-build
 fi