eCAL 5.8.14

Changelog

# Changes

Core:
  - Fixed a small memory leak
  - Fixed a bug that caused eCAL to prevent sending protobuf messages with all-default values
  
Player:
  - Fixed bug when loading non-existing measurement

Build:
  - Added missing includes for Visual Studio 2019
  
Setup:
  - Properly added HDF5 CMake files to Windows installer
  
eCAL 5.8.14 is patch-level equivalent to eCAL 5.9.1