fix #387

Line-based error messages seem to appear on the wrong line often, and are sometimes offscreen. What seems like a save may not have been. How about just doing this for all errors:

![screen shot 2014-08-19 at 6 24 31 pm](https://cloud.githubusercontent.com/assets/108094/3974226/8ec4ee00-27f1-11e4-9266-df4d8f6765de.png)