August 29, 2017
* New packaging for Debian, CentOS, and RHEL.
* Fix for updating EL 6 package in the SCL Python 2.7 environment.
August 16, 2017
* Add support for internal IP address load balancing.
* Add support for configuring user and group management commands.
* Improve security of authorized keys file writes.
July 18, 2017
* Allow nologin paths other than /sbin/nologin.
* Try to download GCS URLs with curl if gsutil is not installed.
June 09, 2017
* Add a configuration option to disable IP alias support.
* Support instance configuration using the google-instance-configs metadata
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