Apache PLC4X 0.12.0

New Features

• API: Made several bits of information available via the API
  allowing tools to provide more content assist when dealing
  with PLC4X connections.
• S7: The S7 driver now supports reading of STRING and
  WSTRING data-types without providing a maximum length.
• Build: Worked on making PLC4X provide reproducible builds.
• Added "Ping" functionality to: ADS, EIP, KNX, Mock, Modbus
  and Simulated drivers.
• The OPC-UA Java driver now support certificate-based
  authentication and encryption.

Incompatible changes

• Java 8 is no longer officially supported and Java 11 is the
  new base-line.
• Renamed the PlcDriverManager method listDrivers to
  getProtocolCodes
• Renamed the PlcDriverMetadata method canDiscover to
  isDiscoverySupported
• Renamed the PlcConnectionMetadata methods canRead, canWrite
canSubscribe and canBrowse to isReadSupported,
  isWriteSupported, isSubscribeSupported and isBrowseSupported
• The configuration syntax for configuring transport-related
  config options in the connection-string was updated to be
  now prefixed with the transport name the option belongs to.

Bug Fixes

• S7: Several bugs and issues regarding supporting various
  duration, date and time data-types.
• S7: Implemented the missing 64bit (L-) types.
• KNX: Fixed an issue with decoding 16 bit floating point
  numbers.
• NiFi-Integration: The NiFi integration module was greatly
  improved.
• Core: Fixed several leaks of open threads.