fixing bulletin default widget

lib/orbit_app/module/widget.rb

@@ -102,7 +102,7 @@ module OrbitApp
           def  initialize(&block)
             @query = nil
             @image = nil
-	    @sorting_query = nil
+	      @sorting_query = 'desc(:created_at)'
             @more_link = {}
             @fields = []
             @enabled_styles = STYLE