A release is identified by name, version and system. Statusupdates can only be done using name and version

```
Create 2 releases:

name-1 v1 Prod-1
name-1 v1 Prod-2

This release cannot be updated using a POST from external anymore. No Primary 
key.


```

Original issue reported on code.google.com by `barny...@gmail.com` on 10 Jan 2014 at 1:10
