Use node 4.2.6

Dockerfile

@@ -1,7 +1,7 @@
 FROM cloudron/base:0.9.0
 MAINTAINER Johannes Zellner <johannes@cloudron.io>
 
-ENV PATH /usr/local/node-4.2.1/bin:$PATH
+ENV PATH /usr/local/node-4.2.6/bin:$PATH
 
 RUN mkdir -p /app/code
 WORKDIR /app/code