Computation of yplus, wall-shear-stress in boundary layer, given a value for y0
pydcm restart can enable turbulence statistics
Linearized Euler changes

- Removal of unused files
- Addition of monopole, dipole, quadrupole source terms in 2D
- lineuler::BC base class provides access to meanflow (rho0, U0, p0)
- pydcm : Adding more terms than default