edx/harstorage — pull request #5 by clytwynec (2014-11-19 18:12:56+00:00)
Title: Add timing data for entried with missing timings key

@jzoldak Please review...

Note that when these values are used, the it uses max(val, 0).

Example:
```
dns_time = self.entry["timings"]["dns"]
return max(dns_time, 0)
```