Add "NPM_VERSION" updating to update.sh and bump npm version (adding it to 0.8, since 2.1.2 now supports 0.8 solidly)
Merge pull request #20 from infosiftr/npm-update

Add "NPM_VERSION" updating to update.sh and bump npm version
Fix npm install on 0.8 by updating to 1.4.28 first
Merge pull request #21 from infosiftr/npm-0.8

Fix npm install on 0.8 by updating to 1.4.28 first
node: slim down images
node: add slim variant