clouseau-spike-detection - empty sections

In today email, we have empty sections:
```

    FennecAndroid
        nightly (156 crashes reported):
        Most signifiant increases from 2016-11-01 to 2016-11-02 (top startup crashers from Socorro):
        release (582880 crashes reported):
        Most signifiant increases from 2016-11-01 to 2016-11-02 (top startup crashers from Socorro): 
```

we should have actual content