set to pbs_in_turb, fix tests

pbs_in_failed, silent switches for printing
create pbs_in files for Mann64 turbulence generator

- number of interpolation points added to "compute_envelopes"

WIP: place failed cases in pbs_in_failed

- Loads in output are array of consistently same length

input files, including data

wrong cycle_matrix definition, add silent throughout
the stack to suppress printing messages

file name at the lowest level.