Prepere for next build

* update changelog
* add npm build dependency

Change-Id: Ifc558fea814cacb33cd7d6a1d451c04d19009d9f
Remove version from the npm dependency for now

 To buld you need at least npm 1.3.0 but dpgk can not finde the npm version,
 if npm is installed from ppa:chris-lea/node.js

Change-Id: I21d32731f06187ebfaf450164089a597fe63d163