1.6.0

• Refactored and reduced size of all images (on-demand installation, removed not needed packages, improved ENVs/LABELs to reduce numbers of layers)
• Cleanup images
• Add new on-demand installation and provisioning of services (eg. postfix, ssh...)
• Improved python console handling and output, also fixes dependency detection
• Renamed alpine-3 to alpine (symlink to keep backward compatibility)
• Add webdevops/php-official and also to webdevops/php and other images
• Introduce docker-image-info for gathering information about current used image (family, distribution, version ...)
• Introduce docker-service-enable and docker-service-disable to enable and disable services (eg. postfix, ssh ...)
• Introduce docker-provision (use instead of /opt/docker/bin/provision)
• Fix supervisord message about passwordless http server (unix socket)
• Fix and improve tests (eg. in ipv6 environments)
• Add go-replace to replace sed/awk stuff
• Add webdevops/liquisoap
• Add environment variable LOG_STDOUT and LOG_STDERR (redirect docker output, also possible to prevent output using /dev/null)
• Set nginx log level to warn in production and info in nginx-dev images
• Move ansible to webdevops/base