Merge branch 'nuget-beta' into nuget-beta2

Conflicts:
	ConfigureChecks.cmake
	config.h.cmake
	taglib/CMakeLists.txt
	taglib/mp4/mp4atom.cpp
	taglib/toolkit/tbytevector.cpp
	taglib/toolkit/tdebug.cpp
	taglib/toolkit/tstring.cpp
	taglib/toolkit/tutils.h
	tests/test_wav.cpp