Merge pull request #7 from michsch/v4.1.0

ignore directory node_modules in git repo
Changed folder structure to allow parallel usage of Sass port and to create the static build of YAML

Signed-off-by: Dirk Jesse <office@highresolution.info>
Merge branch 'v4.1.0' of https://github.com/djesse/yaml4-sass into v4.1.0