Doc: Install script
Doc: test on vm
Doc: handle params
Doc: test on vm

still need to do the kraken/jormun part
Doc: custom install build
Doc: corrections after review
Doc: correction after review

the kraken is correctly killed but I could not make the trap stuff work
so I kill jormungandr and kraken manually
Doc: small lint
Merge pull request #435 from antoine-de/doc_install

Doc install