For images without rsync installed (like the Xenial cloud image) os-apply-config fails with: ``` rsync: command not found ``` This change adds rsync as a package requirement for os-apply-config. Change-Id: Iae7c6f24176bcd4f6e3040da3d14bbcca0e61163
Install os-apply-config.
The contents of os-apply-config subdirectory in templates will be installed into the default template directory automatically.
An os-refresh-config hook is created to invoke os-apply-config automatically.