Document function parameters and return values

[cglwn]

Add Doxygen documentation for the parameters and return values of every function. Clang has a great -Wdocumentation warning, I'll see if GCC has something similar.

Completed Files

• [ ] ./include/lgmath/CommonTools.hpp
• [ ] ./include/lgmath/se3/Types.hpp
• [ ] ./include/lgmath/se3/Transformation.hpp
• [ ] ./include/lgmath/se3/Operations.hpp
• [ ] ./include/lgmath/se3/TransformationWithCovariance.hpp
• [ ] ./include/lgmath/so3/Types.hpp
• [ ] ./include/lgmath/so3/Operations.hpp
• [ ] ./include/lgmath/so3/Rotation.hpp
• [ ] ./include/lgmath/CommonMath.hpp
• [ ] ./include/lgmath/r3/Types.hpp
• [ ] ./include/lgmath/r3/Operations.hpp
• [ ] ./include/lgmath.hpp
• [ ] ./src/CommonMath.cpp
• [ ] ./src/se3/Operations.cpp
• [ ] ./src/se3/Transformation.cpp
• [ ] ./src/se3/TransformationWithCovariance.cpp
• [ ] ./src/so3/Rotation.cpp
• [ ] ./src/so3/Operations.cpp
• [ ] ./src/r3/Operations.cpp