fix #27625 - fix title of wizard to match spec (and put it in an entity so it can be localized!)

mailnews/base/prefs/resources/content/AccountWizard.xul

@@ -28,7 +28,7 @@ Rights Reserved.
 
 <window id="account-wizard-dialog" xmlns:html="http://www.w3.org/TR/REC-html40"
     xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-    title="New Messenger Account Wizard"
+    title="&windowTitle.label;"
     height="400" width="500" class="dialog"
     onload="onLoad();">
 

mailnews/base/prefs/resources/locale/en-US/AccountWizard.dtd

@@ -5,3 +5,4 @@
 <!ENTITY finishButton.label "Finish">
 <!ENTITY cancelButton.label "Cancel">
 <!ENTITY instructions.label "Click next to continue entering information.">
+<!ENTITY windowTitle.label "Account Wizard">