Add Security info to :pageinfo.

common/locale/en-US/messages.properties

@@ -226,6 +226,8 @@ option.popups.safeSet = See the 'activate' option.
 option.guioptions.safeSet = See 'guioptions' scrollbar flags.
 option.visualbell.safeSet = See 'visualbell' option.
 
+pageinfo.s.ownerUnverified = %S (unverified)
+
 plugin.searchingFor-1 = Searching for %S
 plugin.searchingForIn-2 = Searching for %S in %S
 plugin.notReplacingContext-1 = Not replacing plugin context for %S

common/locale/en-US/options.xml

@@ -1103,6 +1103,7 @@
             <dt>g</dt>      <dd>General info</dd>
             <dt>f</dt>      <dd>Feeds</dd>
             <dt>m</dt>      <dd>Meta tags</dd>
+            <dt>s</dt>      <dd>Security information</dd>
         </dl>
 
         <p>