1.3.0

• [FEATURE] Add collect_ec2_tags and collect_instance_metadata options to the main class
• [FEATURE] Add sock parameter in MySQL integration
• [FEATURE] Add support for graphite listener option in the main class
• [FEATURE] Add NTP integration
• [FEATURE] Add support for dogstreams array in the main class
• [FEATURE] Add HAProxy integration
• [FEATURE] Add RabbitMQ integration
• [FEATURE] Add support for an extra template appended to datadog.conf
• [FEATURE] Add Mesos integration
• [FEATURE] Add Marathon integration
• [FEATURE] Add more flexiblity to configure the docker integration
• [BUGFIX] Fix discrepancy of exact_match default in the process check compared to dd-agent
• [BUGFIX] Fix ordering of resources when installing agent
• [CI] Test on a variety of puppet & ruby versions
• [CI] Move to Travis docker infra and add some bundle caching