Merge branch 'move-json-to-simox-utility' into 'master'

SimoxUtility/CMakeLists.txt

SimoxUtility/json.h

SimoxUtility/json/LICENSE.MIT

SimoxUtility/json/converters.cpp

SimoxUtility/json/converters.h

SimoxUtility/json/eigen_conversion.cpp

SimoxUtility/json/eigen_conversion.h

SimoxUtility/json/io.cpp

SimoxUtility/json/io.h

SimoxUtility/json/json.hpp

SimoxUtility/math/convert/pos_quat_to_mat4f.h

SimoxUtility/tests/CMakeLists.txt

SimoxUtility/tests/JsonEigenConversionTest.cpp

SimoxUtility/tests/JsonIOTest.cpp

VirtualRobot/CMakeLists.txt

VirtualRobot/Util/json.h

VirtualRobot/Util/json/converters.h

VirtualRobot/Util/json/eigen_conversion.h

VirtualRobot/Util/json/eigen_conversion.hpp

VirtualRobot/Util/json/io.h