feat(promises): adding extra sql propagation for Promise.all

lib/promise.js

@@ -41,10 +41,15 @@ Utils._.extend(SequelizePromise, Promise)
 SequelizePromise.all = function(promises) {
 SequelizePromise.all = function(promises) {
   var resolved = SequelizePromise.resolve(Promise.all(promises));
   var resolved = SequelizePromise.resolve(Promise.all(promises));
 
 
+  // Propagate sql events
   promises.forEach(function (promise) {
   promises.forEach(function (promise) {
     promise.on('sql', function (sql) {
     promise.on('sql', function (sql) {
       resolved.emit('sql', sql);
       resolved.emit('sql', sql);
     });
     });
+
+    promise.$sql.forEach(function (sql) {
+      resolved.emit('sql', sql);
+    });
   });
   });
 
 
   return resolved;
   return resolved;