Update 2013-05-15-introduction.md
Merge pull request #1 from arlolra/patch-1

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Added space for wiki images.
Merge branch 'gh-pages' of https://github.com/numenta/nupic into gh-pages
Adding another wiki pick for developer model.
Content changes leading up to upcoming code release. Added CLA whitepaper PDF to resources. Expanded some descriptions of nupic key features.
Still updating content. Prepping for the first news post.
Updating Contributor License.
Updated echosign link for CL.
Initial list of contributors, committer, and reviewers.
Added a diff of our CL with the Apache CLA.
Added Rahul to contrib list.
Added Scott to committer list.
Added FAQ answer for old vs. new NuPIC.
Fixup urls to point to groksolutions.com (previously numenta.com)
Merge pull request #2 from oxtopus/gh-pages-fixup-urls

Fixup urls to point to groksolutions.com (previously numenta.com)
Updated contributor listing as CLs come in.
Updating contributor list.
Removed dangling </p>
Removing initial blog post (in favor of mailing list when it's time).