Add more details on event dashboard

Fixed date on event dashboard, and updated events
to show properly. Pending to fix why event info in stories
is not logged, and grab the details from the parent
story of a task, in order to provide a link to it.

Depends-On: https://review.openstack.org/136364
Change-Id: I28899a95e4cfbef11c699da6160805e8163be3f5
Merge "Add more details on event dashboard"