Merge branch 'hotfix/3342' into develop

Forward port zendframework/zendframework#3342

Conflicts:
	library/Zend/File/Transfer/Adapter/AbstractAdapter.php
	library/Zend/File/Transfer/Adapter/Http.php
	library/Zend/File/Transfer/Transfer.php
	library/Zend/Http/Cookies.php
	library/Zend/Soap/Client.php
	library/Zend/Soap/Wsdl.php
	library/Zend/Stdlib/ErrorHandler.php
	library/Zend/Stdlib/Hydrator/ClassMethods.php
	library/Zend/Validator/File/Count.php
	library/Zend/Validator/File/Crc32.php
	library/Zend/Validator/File/ExcludeExtension.php
	library/Zend/Validator/File/ExcludeMimeType.php
	library/Zend/Validator/File/Exists.php
	library/Zend/Validator/File/Extension.php
	library/Zend/Validator/File/FilesSize.php
	library/Zend/Validator/File/Hash.php
	library/Zend/Validator/File/ImageSize.php
	library/Zend/Validator/File/Md5.php
	library/Zend/Validator/File/MimeType.php
	library/Zend/Validator/File/NotExists.php
	library/Zend/Validator/File/Sha1.php
	library/Zend/Validator/File/Size.php
	library/Zend/Validator/File/Upload.php
	library/Zend/Validator/File/WordCount.php
	tests/ZendTest/Validator/File/FilesSizeTest.php

src/ItemList.php

@@ -154,7 +154,7 @@ public function key()
     /**
      * Check if there is a current element after calls to rewind() or next()
      *
-     * @return boolean
+     * @return bool
      */
     public function valid()
     {
@@ -175,7 +175,7 @@ public function rewind()
      * Check if an offset exists
      *
      * @param  mixed $offset
-     * @return boolean
+     * @return bool
      */
     public function offsetExists($offset)
     {