Fix #17

Fix #16

- Took example from https://www.r-bloggers.com/2019/02/developing-r-packages-with-usethis-and-gitlab-ci-part-iii/

- griwrm* files should have been rename in airGRiwrm*

- A argument --no-build-vignettes in R CMD build
- Add package curl for coping with download issue in first vignette

Refs #14

- also add --no-multiarch for compatibility with airGR

Resolve "Calibration of an influenced model"

Closes #11

See merge request in-wop/griwrm!6

Refs #11

Merge branch '5-add-node-of-type-direct-flow-in-order-to-inject-or-withdraw-flows-into-the-model' into 'master'

Resolve "Add node of type "direct flow" in order to inject or withdraw flows into the model"

Closes #5

See merge request in-wop/griwrm!5

Refs #5

Refs #5

Refs #5

- Add mermaid diagrams in vignette V04
- Add function `DiagramGriwrm` for generating automatic diagrams

Refs #5

- Update README.md

Refs #5

Refs #5

Resolve "Remove Gits class object and use CreateInputsModel directly"

Closes #9, #10, and #7

See merge request in-wop/griwrm!3

- try to solve libxml2-dev dependency

- try to solve libxml2-dev dependency
- see  https://serverfault.com/a/227194