Factor truncate CSS class out to common CSS.

task #347: Use same trim code in all web pages 
http://github.com/jpschewe/fll-sw/issues/issue/347
Get rid of the bricks background

These make it kind of hard to read some things. I've set the background
to an off-white.
Left align teams list in subjective app and make sure the name is
truncated, not the score

task #347: Use same trim code in all web pages 
http://github.com/jpschewe/fll-sw/issues/issue/347
Add the ability to easily dump all seeding performance scores

This will allow us to manually determine awards such as most consistent
or most improved robot performance.

Fixes #338
Merge branch 'ui-cleanups'
Merge branch 'task.338-performance_seeding_csv'
update changes