Initial check in for print preview work it is complied in for Windows and linix only

The bulk of print preview can be turned on/off with NS_PRINT_PREVIEW define
Bug 107562 r=kmcclusk sr=attinasi

suite/browser/navigatorOverlay.xul

@@ -105,14 +105,14 @@
     <command id="cmd_newEditor"/>
     <!-- NOT IMPLEMENTED
     <command id="cmd_newEditorTemplate"/>
-    <command id="cmd_newEditorDraft"/>
-    <command id="Browser:PrintPreview" disabled="true"  oncommand=""/> -->
+    <command id="cmd_newEditorDraft"/> -->
     <command id="Browser:OpenFile"  oncommand="BrowserOpenFileWindow();"/>
     <command id="Browser:SavePage" oncommand="savePage();"/>
     <command id="Browser:EditPage" oncommand="editPage(window._content.location.href,window, false);"/>
     <command id="Browser:Open" oncommand="BrowserOpenWindow();"/>
     <command id="cmd_printSetup" oncommand="goPageSetup();"/>
     <command id="Browser:Print" oncommand="BrowserPrint();"/>
+    <command id="Browser:PrintPreview" oncommand="BrowserPrintPreview();"/>
     <command id="cmd_quit"/>
     <command id="cmd_close" oncommand="BrowserCloseTabOrWindow()"/>
     <command id="cmd_closeWindow" oncommand="BrowserCloseWindow()"/>
@@ -191,6 +191,7 @@
         <menuitem label="&editPageCmd.label;" accesskey="&editPageCmd.accesskey;" key="key_editPage" command="Browser:EditPage" />
         <menuseparator/>
         <!-- Page setup gets inserted here on some platforms -->
+        <menuitem id="printPreviewMenuItem" label="&printPreviewCmd.label;" accesskey="&printPreviewCmd.accesskey;" command="Browser:PrintPreview"/>
         <menuitem id="printMenuItem" label="&printCmd.label;" accesskey="&printCmd.accesskey;" key="printKb" command="Browser:Print"/>
         <menuseparator/>
         <menuitem id="offlineGoOfflineCmd"/>