Updated npm version used by mvn-frontend.
<!-- optional: default phase is "generate-resources" -->
<phase>initialize</phase>
<configuration>
- <nodeVersion>v0.12.0</nodeVersion>
- <npmVersion>2.6.0</npmVersion>
+ <nodeVersion>v7.1.0</nodeVersion>
+ <npmVersion>3.10.9</npmVersion>
</configuration>
</execution>
<execution>
