Rename template.
Fix SVG waterfall templates.
Add handlebars dependency.
Update templates for handlebars.
Add settings file for SVG waterfall mapper.
Add command-line option for specifying SVG settings.
Add option to specify an alternative SVG template.
Unify the waterfall mapper templates.
Improve waterfall mapper data format.
Initial logic for the SVG waterfall mapper.
Fix lint error.
Fix class name.