Update node version and dependencies.

Review Request #7862 — Created Jan. 12, 2016 and submitted

Information

student-sonar
master
d7b5811...

Reviewers

Sonar was running with a very old node engine, which had some vulnerabilities.
This change updates to the latest stable node release and also bumps our
backend package dependencies to the latest versions.

Flipped through the various pages and saw that everything worked as expected.

reviewbot
  1. Tool: Pyflakes
    Ignored Files:
        package.json
    
    
    
    Tool: PEP8 Style Checker
    Ignored Files:
        package.json
    
    
  2. 
      
brennie
  1. Ship It!
  2. 
      
david
Review request changed
Status:
Completed
Change Summary:

Pushed to master (c9659da)