Added method turbulence to tec operation: Simulate the ionosphere with von-Karman turbulences.
Added operation faraday: Take an existing h5parm file with tec-soltab and add the corresponding faraday rotation to the simulation, using a model of the earth magnetic field.
Added operation clock: Simulate the clock-drift for each remote station with respect to the clock of the core stations.
Added operation: polmisalign: Simulate a constant delay between X and Y polarization for each station.
Added operation: use_h5: Add corruptions stored in a h5parm-file to the simulation.