Change node_version for navi to node 4.1.0

Author: cflynn07

ansible/group_vars/alpha-navi.yml

@@ -4,8 +4,8 @@ container_image: "registry.runnable.com/runnable/{{ name }}"
 container_tag: "{{ git_branch }}"
 repo: "git@github.com:CodeNow/{{ name }}.git"
 hosted_ports: ["3567"]
-node_version: "0.10.38"
-npm_version: "2.1.18"
+node_version: "4.1.0"
+npm_version: "2.8.3"
 
 redis_host: "{{ hostvars[groups['redis'][0]]['ansible_default_ipv4']['address'] }}"
 redis_port: 6379