pg:incidents

This will show the list of incidents that happened on a database, that looks something like that:

```
=== HEROKU_POSTGRESQL_TIM_MAROON_URL

==== 32fc6661-c301-4217-bfd8-6a9dd060f464
Created At: 2014-05-02 10:31 PDT
State:      Human Intervention
Updated At: 2014-05-02 10:31 PDT

==== 63e331a9-780a-4a65-8949-d54975ef0851
Created At: 2014-05-01 14:28 PDT
State:      Resolved
Updated At: 2014-05-01 14:36 PDT
```