update links (#75)

Author: Arhell

composer.json

@@ -2,7 +2,7 @@
     "name":"codeception/module-yii2",
     "description":"Codeception module for Yii2 framework",
     "keywords":["codeception", "yii2"],
-    "homepage":"http://codeception.com/",
+    "homepage":"https://codeception.com/",
     "type":"library",
     "license":"MIT",
     "authors":[

src/Codeception/Module/Yii2.php

@@ -22,7 +22,7 @@
 use yii\helpers\Url;
 
 /**
- * This module provides integration with [Yii framework](http://www.yiiframework.com/) (2.0).
+ * This module provides integration with [Yii framework](https://www.yiiframework.com/) (2.0).
  *
  * It initializes the Yii framework in a test environment and provides actions
  * for functional testing.
@@ -126,7 +126,7 @@
  * ## Fixtures
  *
  * This module allows to use
- * [fixtures](http://www.yiiframework.com/doc-2.0/guide-test-fixtures.html)
+ * [fixtures](https://www.yiiframework.com/doc-2.0/guide-test-fixtures.html)
  * inside a test. There are two ways to do that. Fixtures can either be loaded
  * with the [haveFixtures](#haveFixtures) method inside a test:
  *