update paths to ogs6-BM files in ensemble vignette
actual paths refer to examples/Theis_problem/benchmark_files
and examples/Theis_well_pumping/benchmark_files
.
However, these path are not exported.
Anyhow the BM files should go into inst/extdata/benchmarks
.
Tasks:
- move BM-files into
inst/extdata/benchmarks
- update ensemble vignette