Additional services to support multiple swift storage nodes

Activate the following services
swift-account-auditor
swift-account-reaper
swift-account-replicator
swift-container-auditor
swift-container-replicator
swift-container-sync
swift-container-updater
swift-object-auditor
swift-object-replicator
swift-object-updater

Change-Id: Ie85da1bb5fe7c4224e8e8c79b806fdb336bf5fa4
Make log_file and notifier_strategy configurable

This makes log_file and notifier_strategy configurable in
/etc/glance/glance-api.conf and /etc/glance/glance-registry.conf.

There is corresponding change to tripleo-heat-templates to expose these
configurations in the heat templates at:
https://review.openstack.org/#/c/76652/

Change-Id: I0591f861fe292df4373839fc675481d2fa4fa5fc
Merge "Additional services to support multiple swift storage nodes"