This is more likely to be the default region that a client would try for
v4 signatures.
UpgradeImpact:
==============
Deployers with clusters that relied on the old implicit default
location of US should explicitly set
location = US
in the [filter:s3api] section of proxy-server.conf before upgrading.
Change-Id: Ib6659a7ad2bd58d711002125e7820f6e86383be8
692a03473f