[oslc] Spam on open-services.net wiki

[Lee J Reamsnyder]

Just an FYI, we noticed some spam postings on the wiki over the past few
days.

I've removed the offending topics and users and have installed a plugin on
the wiki that should help prevent it in the future.

If you see any more suspicious topics (so far we've seen life insurance and
SEO postings), please let me know (leereamsnyder at us.ibm.com).

Thanks,
Lee