Fixing /etc/swift.conf-sample to include
swift_hash_path_prefix

Change-Id: I60f5f3d4083937a03ecb7ed531185c617ea08016
Add auth_version to dispersion.conf.5

The lack of any documentation for the auth_version was observed
by Red Hat QA, see rhbz#955247.

Change-Id: I0afc04d848082a80480724bdbf99031e4b99e38e
Merge "Add auth_version to dispersion.conf.5"
Merge "Fixing /etc/swift.conf-sample to include swift_hash_path_prefix"