DevNavBar params + queries

added feature for devNavBar where you can specify params and query to route in metaData and generate routes to them.


![image](https://cloud.githubusercontent.com/assets/4157103/5059744/e64338b8-6cf6-11e4-9e5d-30747d60362c.png)
Clicking listBills;open;patate leads to 
![image](https://cloud.githubusercontent.com/assets/4157103/5059745/effe7eee-6cf6-11e4-97ab-b0801743a131.png)
The route is /dashboard/transaction/bill/:state

plus small cleanup
The custom callback of `_.merge` couldn't have been of help here?