Include other t-route output variants in NgenOutput hook

[aaraney]

ngen-cal/python/ngen_cal/src/ngen/cal/ngen_hooks/ngen_output.py

Line 103 in 6c62306

routing_output = "flowveldepth_Ngen.csv"

Very limited support for t-route configured with csv_output and a title_string of Ngen. Broaden support of csv_output and add support for stream_output.

[aaraney]

I think all we need to do is add glob searches for flowveldepth_* and troute_output_*.

[aaraney]

See #153 for background on t-route output naming conventions.