This project is a simple composite of several already available modules in order to make js sequence diagrams and being able to download them as svg or png.
Many thanx to the projects:
https://github.com/bramp/js-sequence-diagrams https://github.com/exupero/saveSvgAsPng https://github.com/DmitryBaranovskiy/raphael https://github.com/twbs/bootstrap
and all its related projects.