Added images for documentation
Extended Doxygen main page
Changed Doxygen API title and added icons, changed output directory
Added Doxygen CSS style sheet for future formatting
Added math master header with documented namespaces
Added quaternion class with basic functionality.
To be completed.
Changed naming from Elements to Components, added documentation page
Pulled names into the math namespace
Pulled names into the math namespace
Pulled functions into the math namespace
Cosmetic changes
Added vector functionality for equality check, arithmetic operations and vector operations like dot and cross products
Pulled names from matrix into the math namespace
Added documentation and arithmetic functionality like addition, multiplication and subtraction
Switched Doxygen output directory, added extra input files for main page and image directories to the Doxygen input file
Pulled functions into the math namespace
Added master math header and quaternion functionality to CMake file
Added new tests, in particular for vector functionality check