[WIP] Feature/dashboard

Dashboard for shop staff members

Now only Order listing and details are implemented

![dashboard_orders_list](https://cloud.githubusercontent.com/assets/1754812/3146203/079eeade-ea43-11e3-8d64-dabaede4e30e.png)

![dashboard_order](https://cloud.githubusercontent.com/assets/1754812/3146206/0fdf4c48-ea43-11e3-877b-c8e7a3c1b774.png)