Improve results page

[apbetioli]

This presentation of the results could be a lot better. This is the current state of the Results page:

Some ideas to improve it:

• Maybe use a table
• It would be great if we could have some breakdowns:
  • for each print
  • for each printer

The total time is the sum of all the time spent by all printers, but it needs to be more accurate, given the printers can run in parallel. The simplest solution I can think of is showing both the total sum time and the "real time" (max time of all printers)