[snowpatch] [PATCH] Don't test pull requests

[Russell Currey]

On Tue, 2018-07-24 at 20:02 +1000, Andrew Donnellan wrote:
> Testing pull request emails is a bit silly. Skip "patches" that have
> a pull
> URL.
> 
> Closes: #35 ("Don't test pull requests")
> Signed-off-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
> 
Thanks, merged as 09a23c9505afd0e80366d5be7609f2641a85e88c