Update README.md
Update .gitexternals and generated files
Merge pull request #15 from jafyvilla/master

Update .gitexternals and generated files
Fix Win32 build
Merge pull request #16 from tribal-tec/master

Fix Win32 build
Removed CMake/Findlibzmq.cmake which is only unix-based and which disables the loading of multiplatform version CMake/common/Findlibzmq.cmake
Merge pull request #17 from ptoharia/master

Removed CMake/Findlibzmq.cmake which is only unix-based and which disabl...
Doxygen fixes
Documentation fixes
Use UUIDs as event types to allow extensible vocabularies
Small simplification in serialization code.