Remove title case from log output
Remove title case from log output

`self.unicorn` is a string which is either the path to the unicorn
binary, the path to the gunicorn binary or the string 'gunicorn'.
We call `title()` on the string which outputs something like this:

```
INFO      /Opt/Ruby/Bundle/Ruby/1.9.1/Bin/Unicorn booted (PID 10489)
```

gds-operations/unicornherder