feat(promises): refactor reload to use promise style

lib/dao.js

@@ -558,28 +558,22 @@ module.exports = (function() {
   *
   * @see {DAOFactory#find}
   * @param {Object} [options] Options that are passed on to `DAOFactory.find`
-  * @return {EventEmitter}
+  * @return {Promise}
   */
   DAO.prototype.reload = function(options) {
-    var where = [
-      this.QueryInterface.quoteTable(this.Model.name) + '.' + this.QueryInterface.quoteIdentifier(this.Model.primaryKeyAttribute)+'=?',
-      this.get(this.Model.primaryKeyAttribute, {raw: true})
-    ]
-
-    return new Utils.CustomEventEmitter(function(emitter) {
-      this.Model.find({
-        where:   where,
-        limit:   1,
-        include: this.options.include || null
-      }, options)
-      .on('sql', function(sql) { emitter.emit('sql', sql) })
-      .on('error', function(error) { emitter.emit('error', error) })
-      .on('success', function(obj) {
-        this.set(obj.dataValues, {raw: true, reset: true})
-        this.isDirty = false
-        emitter.emit('success', this)
-      }.bind(this))
-    }.bind(this)).run()
+    var self = this
+      , where = [
+        this.QueryInterface.quoteTable(this.Model.name) + '.' + this.QueryInterface.quoteIdentifier(this.Model.primaryKeyAttribute)+'=?',
+        this.get(this.Model.primaryKeyAttribute, {raw: true})
+      ]
+
+    return this.Model.find({
+      where:   where,
+      limit:   1,
+      include: this.options.include || null
+    }, options).then(function (reload) {
+      self.set(reload.dataValues, {raw: true, reset: true});
+    }).return(self);
   }
 
   /*
@@ -611,7 +605,7 @@ module.exports = (function() {
    * @param {Object} updates See `setAttributes`
    * @param {Object} options See `save`
    *
-   * @return {EventEmitter}
+   * @return {Promise}
    */
   DAO.prototype.updateAttributes = function(updates, options) {
     if (options instanceof Array) {
@@ -632,7 +626,7 @@ module.exports = (function() {
    * @param {Object}  [options={}]
    * @param {Boolean} [options.force=false] If set to true, paranoid models will actually be deleted
    *
-   * @return {EventEmitter}
+   * @return {Promise}
    */
   DAO.prototype.destroy = function(options) {
     options = options || {}