initialization on Preprocessing
updated newton tollerance TDlibrary
fix euler fall BC
Merge branch 'feature_SecondaryVector' of https://github.com/su2code/SU2 into feature_euler_wall_BC
supersonic inflow BC_Riemann
Merge branch 'feature_SecondaryVector' of https://github.com/su2code/SU2 into feature_euler_wall_BC
fixed bug Standar air Ideal gas SetNNDIm
Merge branch 'feature_SecondaryVector' of https://github.com/su2code/SU2 into feature_euler_wall_BC