Restored strings that were deleted for some reason.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@9286 b35dd754-fafc-0310-a699-88a17e54d16e

src/i18n/openfire_i18n_en.properties

@@ -1946,6 +1946,10 @@ user.roster.items_per_page=Items per page
 user.roster.edit=Edit
 user.roster.add=Add New Item
 user.roster.none_found=No roster items found.
+user.roster.filter=Show
+user.roster.filter.all=All roster items
+user.roster.filter.noshared=No shared groups
+user.roster.filter.onlyshared=Only shared groups
 user.roster.click_view=Click to view...
 user.roster.deleted=Roster item deleted successfully.
 user.roster.delete.title=Delete Roster Item