change scopes to scope

fixes #10

lib/routes/token.js

@@ -34,8 +34,8 @@ module.exports = {
   response: {
     schema: {
       access_token: Joi.string().required(),
-      scopes: Joi.array(),
-      token_type: Joi.string().valid('bearer')
+      scope: Joi.string().required(),
+      token_type: Joi.string().valid('bearer').required()
     }
   },
   handler: function tokenEndpoint(req, reply) {
@@ -79,7 +79,7 @@ module.exports = {
       reply({
         access_token: token.token.toString('hex'),
         token_type: token.type,
-        scopes: token.scope
+        scope: token.scope.join(' ')
       });
     }, reply);
   }

test/api.js

@@ -398,7 +398,7 @@ describe('/oauth', function() {
           assert(res.result.access_token);
           assert.equal(res.result.access_token.length,
             config.get('unique.token') * 2);
-          assert.deepEqual(res.result.scopes, ['foo', 'bar']);
+          assert.equal(res.result.scope, 'foo bar');
         }).done(done, done);
       });
     });