MAGETWO-90006: Update zend-mvc lib dependency

Author: Joan He

composer.json

@@ -67,7 +67,7 @@
         "zendframework/zend-log": "^2.9.1",
         "zendframework/zend-mail": "^2.9.0",
         "zendframework/zend-modulemanager": "^2.7",
-        "zendframework/zend-mvc": "~2.6.3",
+        "zendframework/zend-mvc": "~2.7.0",
         "zendframework/zend-serializer": "^2.7.2",
         "zendframework/zend-server": "^2.6.1",
         "zendframework/zend-servicemanager": "^2.7.8",
@@ -273,7 +273,8 @@
         "psr-4": {
             "Magento\\Framework\\": "lib/internal/Magento/Framework/",
             "Magento\\Setup\\": "setup/src/Magento/Setup/",
-            "Magento\\": "app/code/Magento/"
+            "Magento\\": "app/code/Magento/",
+            "Zend\\Mvc\\Controller\\": "setup/src/Zend/Mvc/Controller/"
         },
         "psr-0": {
             "": [