MAGETWO-89235: Update zend-view and credis libs dependency

- Revert zendframework/zend-mvc to previously required version

Author: danielrenaud

composer.json

@@ -74,7 +74,7 @@
         "zendframework/zend-log": "^2.9.1",
         "zendframework/zend-mail": "^2.9.0",
         "zendframework/zend-modulemanager": "^2.7",
-        "zendframework/zend-mvc": "~2.7.12",
+        "zendframework/zend-mvc": "~2.6.3",
         "zendframework/zend-serializer": "^2.7.2",
         "zendframework/zend-server": "^2.6.1",
         "zendframework/zend-servicemanager": "^2.7.8",
@@ -305,4 +305,4 @@
         }
     },
     "prefer-stable": true
-}
+}