func (c *AppContext) DeleteRowHandler(w http.ResponseWriter, r *http.Request) {
params := context.Get(r, "params").(httprouter.Params)
repo := repo.BillRowRepo{c.DB.C("bills")}
if err := repo.Delete(params.ByName("bid"), params.ByName("rid")); err != nil {
panic(err)
}
json.NewEncoder(w).Encode(true)
}
