Update gridModel in route handler
Update gridModel in route handler

This is done to make the back button work. The setAttrs() within the
route handler does not trigger the model's change event callback from
firing.

jamesalley/pure-site,yahoo/pure-site,jamesalley/pure-site,yahoo/pure-site,weigang992003/pure-css-chinese,weigang992003/pure-css-chinese