Use swift_bench_config to configure swift-bench.conf
Implements: blueprint puppet-swift-ini-settings
Change-Id: I97a14f0210aa472876188e66249ea53f34afff72
This patch adds a conf file swift-bench.conf
for swift performance bench, and add a spec
test for it.
Fixed bug 1188968
Change-Id: Iafb67f116a9403bba96328be7c9c09d21a65a74c