new string bundle (messenger.properties) for use by the messenger application
fix widgetglue.js to use the string bundle. now we get the title of the
new folder / subscribe dialog from the string bundle.
also fix the problem where the new folder / subscribe dialog wouldn't open
if zero, or more than one server / folder were selected.
git-svn-id: svn://10.0.0.236/trunk@54799 18797224-902f-48f8-a5cc-f745e15eee43