Ensure that the random endpoint is matched

The random endpoint was not being used; the normal ID-based endpoint
would always match first.

Author: rylnd

src/routes/avatars.js

@@ -31,12 +31,6 @@ router.get('/list', function(req, res) {
   return res.set('Content-Type', 'application/json').send(response);
 });
 
-router.get('/:size?/:id', function(req, res, next) {
-  return combine(req.faceParts, req.params.size, function(err, stdout) {
-    return common.sendImage(err, stdout, req, res, next);
-  });
-});
-
 router.get('/:size?/random', function(req, res) {
   var faceParts;
   faceParts = potato.parts(uuid.v4());
@@ -47,6 +41,12 @@ router.get('/:size?/random', function(req, res) {
   });
 });
 
+router.get('/:size?/:id', function(req, res, next) {
+  return combine(req.faceParts, req.params.size, function(err, stdout) {
+    return common.sendImage(err, stdout, req, res, next);
+  });
+});
+
 router.get('/face/:eyes/:nose/:mouth/:color/:size?', function(req, res, next) {
   let faceParts = { color: '#' + req.params.color };