Navigation/AUV/SMO: Deleted GainMatrices.hpp
Config: auv/navigation: Updated SMO configurations.
Config: auv/parameters/lauv-noptilus-2-parameters: Updated the SMO gains. Passing gains to a vector.
testing/replays/smo-replay: Updated SMO gains and parameters.
DUNE: Added Model namespace.
DUNE: Added Matrix derivative and integrative classes.
DUNE/Model: Restructed AUV dynamic class.
DUNE/Navigation: Restructed Sliding Mode Observer class.
Navigation/AUV/SMO: SMO task now uses classes implemented in DUNE core.
DUNE/Math: Implemented matrix integrator and derivative classes.