Add swift::bench to manage swift-bench.conf

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
Use @ notation for ERB template variables

Fix Puppet 3.2 deprecation warnings (see Puppet #19058)

Change-Id: I0da9696499bce281ad258cbf0e88bd57f7dde76f
Add configurable log for storage server

This patch add configurable log for swift account/container/object
server service.
Partially implements blueprint puppet-swift-log-support.

Change-Id: Ib3db483dfbad97f23ab7ba2068632856b5e00f11
Added the allow_versions flag to enable/disable object versioning in swift object container

Change-Id: Id78be1a8c3dccd550c92204c4aaa1cf32edcbf61
Merge "Added the allow_versions flag to enable/disable object versioning in swift object container"