Upgrade to Surefire 2.18
Upgrade to Surefire 2.18

Notably this addresses SUREFIRE-1028 which prevented running single
test methods.

Changelog:

http:c5a05eaa3310e0e77d550296d977423831bd595f@mail.gmail.com%3E

andrewgaul/s3proxy,flandr/s3proxy,flandr/s3proxy,timuralp/s3proxy,timuralp/s3proxy,andrewgaul/s3proxy,bouncestorage/s3proxy,kahing/s3proxy,bouncestorage/s3proxy,kahing/s3proxy