render error inline

#edit, #update, #create view:
![2013 05 01_at_02 33 16](https://f.cloud.github.com/assets/1020124/447240/6c9568aa-b1f0-11e2-9614-002cfd5c924e.png)

#show view:
![2013 05 01_at_02 40 27](https://f.cloud.github.com/assets/1020124/447241/6ccc7ed0-b1f0-11e2-98d9-a0ac5db6be02.png)

Not perfect, but much better than what we have right now