Resolve "Error message slightly wrong for TransfoParamGR5J"

Closes #168

See merge request !83

Refs: #168

fix(ci) : dependencies issues

See merge request !82

Error in `dyn.load(file, DLLpath = DLLpath, ...)`: unable to load shared object '/builds/HYCAR-Hydro/airgr/ci/lib/stringi/libs/stringi.so':
  libicui18n.so.66: cannot open shared object file: No such file or directory

- missing latex package amsmath for pdf build during CRAN check

ci(yaml): use 'test' from 'testthat' (and not from 'devtools')

See merge request !80

Resolve "Remove useless variables in 'ErrorCrit_NSE'"

Closes #159

See merge request !78

Refs: #159

Install devtools

See merge request !79

Resolve "RunModel_Lag: wrong values in parameter screening"

Closes #156

See merge request !77

fix #156

Resolve "Improve computation time of propose candidates grid"

Closes #157

See merge request !76

- remove duplications on each parameter rather than on the complete possible parameter sets table
- return a data.frame instead of a list
- use 'DistribParam' instead of 'DistribParamR' global object
Refs: #157

Resolve "revdepcheck failed on airGRiwrm installation"

Closes #148

See merge request !74

- Add crancache to the gitlab-ci cache
- install dependencies before check
- extend time out to 30 minutes

Refs #148

- add types

docs(man): review text of the '$CemaNeigeLayers' element in the 'value' section of 'RunModel_CemaNeige*'

Revert "chore: bump to release version 1.6.13"

See merge request !72

This reverts commit d0a82cab