Merge #28545

28545: ui: right align stats on node list r=vilterp a=vilterp

Not as good as a bar graph, but still makes it easier to compare quantities.

Before:
![image](https://user-images.githubusercontent.com/7341/44059269-d04f430e-9f1e-11e8-8b92-1b6eb3d162b0.png)

After:
![image](https://user-images.githubusercontent.com/7341/44059242-ba7e3eea-9f1e-11e8-9133-0d1e5d16e022.png)


Co-authored-by: Pete Vilter <vilterp@cockroachlabs.com>