Add help about how to use forman to run heroku application locally.
Reduce spacing of filter list items in sidebar nav.
Make the column arrows shorter.
Factor the way the card is presented.

- Remove issue # since it doesn't add anything
- Make title a link and style smaller
- Put the assigned user in upper left
- Put all labels in row together (with Pull label)
- Change Pull label to "Pull" instead of "Pull Request"
- Refine styling on card.
Rebuild for heroku.