Latest running note in project list

Add a field to the project list that looks like this:
![screen shot 2014-06-23 at 12 49 57](https://cloud.githubusercontent.com/assets/6576325/3357402/bc0f8e04-fad0-11e3-9f00-9e7a725e1452.png)

Note! Will have to add latest_running_note to pv_columns in the DB for it to work. But it will not break anything otherwise.