Remove further compiler warnings and enables ci job which builds VirtualFluids with warning as errors.

Update CMake and VF CPU code.

See merge request irmb/VirtualFluids_dev!21

* open_source:
  Adapt ci file with the url and sonar.login token.

# Conflicts:
#	.gitlab-ci.yml

Adapt ci file with the url and sonar.login token.

See merge request irmb/VirtualFluids_dev!5

Until sonarqube is moved to the gitlab-runner we set this job to manual.

See merge request irmb/VirtualFluids_dev!2

As this app includes files from the gridgenerator, which includes cuda we need to link cuda here too.

As the gks meshadapter includes files from the gridgenerator, which includes cuda we need to link cuda here too.

Merge pull request 'Update the opsen source version with CI.' (#65) from peters/VirtualFluids_dev:feature/update_os into open_source

Reviewed-on: https://git.irmb.bau.tu-bs.de/VirtualFluids/VirtualFluids_dev/pulls/65

Merge pull request 'Add clang format and apply it to basics and cpu.' (#48) from peters/VirtualFluids_dev:feature/clang-format into open_source

Reviewed-on: https://git.irmb.bau.tu-bs.de/VirtualFluids/VirtualFluids_dev/pulls/48