MAGETWO-39883: Created webapidoc module to generate on-fly api doc

- fixed static test

Author: Joan He

dev/tests/static/testsuite/Magento/Test/Integrity/Xml/SchemaTest.php

@@ -87,6 +87,7 @@ private function _filterSpecialCases(&$files)
             '#Dhl/etc/countries.xml$#',
             '#conf/schema.xml$#',
             '#conf/solrconfig.xml$#',
+            '#layout/swagger_index_index.xml$#'
         ];
         foreach ($list as $pattern) {
             foreach ($files as $key => $value) {