fecshop mongodb 3.6 bug Fixed `yii\mongodb\Command::aggregate()` without 'cursor'

对于mongodb3.6 会出现报错：

https://github.com/yiisoft/yii2-mongodb/commit/0ad02a4750474ffaf43262c7203cf83836fe88e1

yii2-mongodb官方已经修复，但是，没有发布版本，因此，需要更新dev-master，您可以按照下面的步骤解决：

1.vim composer.json ,require中加入："yiisoft/yii2-mongodb": "dev-master",

加入后的效果如下：

    "require": {
        "yiisoft/yii2-mongodb": "dev-master",
        "php": ">=5.4.0",
        "yiisoft/yii2-bootstrap": "*",
        "yiisoft/yii2-swiftmailer": "*",
		// 省略
		...
    },

2.执行composer update, 执行log如下：

[root@ip-172-31-30-214 fecshop-1.2.2.8]# composer update
Loading composer repositories with package information
Updating dependencies (including require-Package operations: 0 installs, 1 update, 0 removals                                                     
  - Removing yiisoft/yii2-mongodb (2.1.5)
  - Installing yiisoft/yii2-mongodb (dev-master 0ad02a4): Cloning 0ad02a4750
Package yiisoft/yii2-codeception is abandoned, you should avoid using it. Use codeception/codeception instead.
Writing lock file
Generating autoload files
[root@ip-172-31-30-214 fecshop-1.2.2.8]# 

3.完成。