[release]General improvements

- Seamless and more stable reloads
- TCP service groups
- Adds discoveryType support for global services
- Adds ssl syntax to BIND_PORTS
- HTTPS support without HTTP
- Healthchecks checks for initial configuration
- Multiple listeners with comma seperated LISTENER_ADDRESS
- Enables service filtering with com.df.proxyInstanceName and FILTER_PROXY_INSTANCE_NAME

Author: thomasjpfan