Hook in on the node submit.
Return absolute url for preview.
Remove sdk to fix conflicts.
Add 'sdk/' from commit '3f9b62bd419290392d1f6a6922bb8f11cdd1471f'

git-subtree-dir: sdk
git-subtree-mainline: 56e70b0cfd4e01ffc775413d394323cbd39e2790
git-subtree-split: 3f9b62bd419290392d1f6a6922bb8f11cdd1471f
Merge commit '15c20516cf8e351008942642767c33af1264dc06' into drupal7