Changeset 4101 for palm/trunk/TESTS/cases/rans_tkee/OUTPUT

timestep.f90:

• consider 2*Km within diffusion criterion as Km is considered twice within the diffusion of e,
• in RANS mode, instead of considering each wind component individually use the wind speed of 3d wind vector in CFL criterion
• do not limit the increase of dt based on its previous value in RANS mode

other:

• remove dt_old