Kibana version: 5.0.0-alpha4
Server OS version: 5.0.0-alpha4
Browser version: Chrome
Browser OS version: Mac OS

Description of the problem including expected versus actual behavior:

If you attempt to open a CSV and there is an error after the point where the UI truncates things then you can't effectively troubleshoot the issue in the UI.

We need to have a horizontal scroll bar that shows where the error actually occurs.

Steps to reproduce:

1. Open a CSV file that has an error in the header greater than 20 columns down.
2. ????
3. Don't profit.

Describe the feature: