Do not check for xml:ids in wadl resources

With change https://review.openstack.org/#/c/76010/ for the
clouddocs-maven-plugin, xml:ids in wadl resources are not required
anymore and thus the check can get removed.

Change-Id: I6dc537c7f7a3607ecccd40f73f1c418596b3112d
Don't descend into publish-docs directory

Ignore our publishing directory for any validation tasks.

Change-Id: Ia52425521138d7dd5ef61d397f3d08eefe6e9539
Merge "Don't descend into publish-docs directory"