Rename wp.pp to wordpress.pp
Fix repomonitor_repo resource

* We need to pass a path
* We need to allow the command to be run by a root user
* We don't need the cwd to be changed
Fix Repo Monitor columns

The repo type column is too small on small screens. This makes
it 20px all the time.

see: #178
Show the refresh button inline

The update button on the dashboard widgets looks better
when it is inline with the widget title.