Wiss availability get

![image](https://cloud.githubusercontent.com/assets/8709555/5288449/e888e5cc-7b02-11e4-97b2-b2a30b3b35bf.png)

Shows all availibities, with possibility to filter by user (click on the name)



<!---
@huboard:{"milestone_order":0.375,"order":4.5,"custom_state":""}
-->

add a route for "dashboard", "volunteer" with only a path and no name, nor component. then omit the `volunteer/` in you 2 other routes