Remove node<v4 support since the javascript templates are written in ES6
Remove node<v4 support since the javascript templates are written in ES6

peterjuras/slush-react-express,peterjuras/slush-react-express,peterjuras/slush-azure-node,peterjuras/slush-react-express,peterjuras/slush-azure-node,peterjuras/slush-azure-node