Update to project 2

irlc/project2/Latex/02465project2_handin.tex

irlc/project2/Latex/figures/your_answer.pdf

irlc/project2/__init__.py

irlc/project2/project2_grade.py

irlc/project2/project2_tests.py

irlc/project2/r2d2.py

irlc/project2/unitgrade_data/R2D2Direct.pkl

irlc/project2/unitgrade_data/R2D2Linearization.pkl

irlc/project2/unitgrade_data/R2D2Problem15.pkl

irlc/project2/unitgrade_data/R2D2_MPC.pkl

irlc/project2/unitgrade_data/YodaProblem1.pkl

irlc/project2/unitgrade_data/YodaProblem2.pkl

irlc/project2/unitgrade_data/YodaProblem3.pkl

irlc/project2/unitgrade_data/YodaProblem6.pkl

irlc/project2/unitgrade_data/YodaProblem7.pkl

irlc/project2/utils.py

irlc/project2/yoda.py