Add package fittext
Remove purecss and fittext packages

Pure is just making things harder as it's interfering with our own css
rules.

FitText didn't work as promised.
Add jQyery.textfill plugin
Limit the amount of tasks in the UI

The resize plugin is very slow for many elements and it's not reasonable
to display all these tasks anyway. If so many should be displayed I
think we need another type of view apart from the default view.
Resize the text when window size changes
Merge pull request #7 from lbergnehr/fit-text

Fit text and better looks