Open/Closed bills columns

Using routes instead of state for open/closed bills also showing more interesting columns for the bills.
+ bugfix for bill creation

<!---
@huboard:{"order":0.1171875,"milestone_order":26,"custom_state":""}
-->

Before yes, but not anymore, https://github.com/my-koop/module.utils/commit/df05965c2078b8a9566a3ff11889c3a398744de4