MAGETWO-53667: @api interfaces in 2.1

Author: valdislav

lib/internal/Magento/Framework/App/Action/Context.php

@@ -7,6 +7,9 @@
 
 use Magento\Framework\Controller\ResultFactory;
 
+/**
+ * @api
+ */
 class Context implements \Magento\Framework\ObjectManager\ContextInterface
 {
     /**

lib/internal/Magento/Framework/App/ActionFactory.php

@@ -7,6 +7,9 @@
  */
 namespace Magento\Framework\App;
 
+/**
+ * @api
+ */
 class ActionFactory
 {
     /**

lib/internal/Magento/Framework/App/ActionInterface.php

@@ -7,6 +7,9 @@
  */
 namespace Magento\Framework\App;
 
+/**
+ * @api
+ */
 interface ActionInterface
 {
     const FLAG_NO_DISPATCH = 'no-dispatch';

lib/internal/Magento/Framework/App/Area/FrontNameResolverFactory.php

@@ -7,6 +7,9 @@
  */
 namespace Magento\Framework\App\Area;
 
+/**
+ * @api
+ */
 class FrontNameResolverFactory
 {
     /**

lib/internal/Magento/Framework/App/Area/FrontNameResolverInterface.php

@@ -16,7 +16,7 @@ interface FrontNameResolverInterface
     /**
      * Retrieve front name
      *
-     * @param bool if true,  only return frontname if it is valid for the host
+     * @param bool $checkHost if true, return front name only if it is valid for the current host
      * @return string|bool
      */
     public function getFrontName($checkHost = false);

lib/internal/Magento/Framework/App/Language/Dictionary.php

@@ -11,6 +11,8 @@
 
 /**
  * A service for reading language package dictionaries
+ *
+ * @api
  */
 class Dictionary
 {

lib/internal/Magento/Framework/App/Request/DataPersistorInterface.php

@@ -5,6 +5,9 @@
  */
 namespace Magento\Framework\App\Request;
 
+/**
+ * @api
+ */
 interface DataPersistorInterface
 {
     /**

lib/internal/Magento/Framework/App/Request/PathInfoProcessorInterface.php

@@ -7,6 +7,9 @@
  */
 namespace Magento\Framework\App\Request;
 
+/**
+ * @api
+ */
 interface PathInfoProcessorInterface
 {
     /**

lib/internal/Magento/Framework/App/RequestInterface.php

@@ -7,6 +7,9 @@
  */
 namespace Magento\Framework\App;
 
+/**
+ * @api
+ */
 interface RequestInterface
 {
     /**

lib/internal/Magento/Framework/App/ResponseInterface.php

@@ -7,6 +7,9 @@
  */
 namespace Magento\Framework\App;
 
+/**
+ * @api
+ */
 interface ResponseInterface
 {
     /**