exports.getProductCategories = function(req,res){

graze.getProductCategories(function(data){
    return res.send(data);
});

exports.getProductCategories = function() {
rest.get('http://www.somesite.com/api/products/categories').on('complete', function(data) {
        console.log(data);
        return (data);
});

exports.getProductCategories = function(callback) {
    rest.get('http://www.somesite.com/api/products/categories').on('complete', function(data) {
        return callback(data);
    });
});