Release 5.0.0 - Juno

Changes in this release:
* Stable Juno release
* Fixed the default value of compress_offline parameter
* Always manages local_settings.py
* Added parameters to configure policy files in horizon class
* Fixed Apache config file default
* Added parameter django_sessioN_engine to horizon class
* Stops setting wsgi_socket_prefix since the apache module takes care of it
* Adds workaround for puppet's handling of undef for setting the vhost bind address
* Changes cache_server_ip in horizon class to accept arrays
* Switched the default log level to INFO from DEBUG
* Fixed the default MSSQL port in security group rules

Change-Id: Ie61702b6677e53cf78815ff356f09ab867333a08
Merge "Release 5.0.0 - Juno"