added missing PIs

core/src/main/resources/hudson/PluginWrapper/thirdPartyLicenses.jelly

@@ -23,6 +23,7 @@ THE SOFTWARE.
 -->
 
 <!-- 3rd party license acknowledgements and  -->
+<?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:s="/lib/form">
   <l:layout title="${%about(it.longName)}">
     <l:main-panel>

core/src/main/resources/lib/hudson/thirdPartyLicenses.jelly

@@ -23,6 +23,7 @@ THE SOFTWARE.
 -->
 
 <!-- 3rd party license acknowledgements and  -->
+<?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:s="/lib/form">
   <d:taglib uri="licenses">
     <d:tag name="dependencies">