Remove `node.version` and `npm.version` defaults
<!-- By default we do not create *-tests.jar. Set to false to allow other plugins to depend on test utilities in yours, using <classifier>tests</classifier>. -->
<no-test-jar>true</no-test-jar>
- <node.version>4.0.0</node.version>
- <npm.version>2.13.1</npm.version>
+ <node.version>you-must-override-the-node.version-property</node.version>
+ <npm.version>you-must-override-the-npm.version-property</npm.version>
<yarn.version>0.23.0</yarn.version>
<frontend-version>1.12.1</frontend-version>
<nodeDownloadRoot>https://repo.jenkins-ci.org/nodejs-dist/</nodeDownloadRoot>
