update node.js version, add nodejs 5 but keep node 4 LTS as the default
update node.js version, add nodejs 5 but keep node 4 LTS as the default

c9/templates,c9/templates,c9/templates,hpssjellis/templates,hpssjellis/templates,hpssjellis/templates,c9/templates,hpssjellis/templates,c9/templates,hpssjellis/templates,hpssjellis/templates,hpssjellis/templates,c9/templates,c9/templates