Multiple changes to the download as SVG feature.
  UTF-8 Support
  Suggested filename (using a Chrome feature)
  Refactored so method wasn't being added/removed
Changed "download" to "Download as SVG", and added theme support to all examples.
Added sample image used by http://bramp.net/blog/2013/03/draw-uml-sequence-with-javascript/
Added minified source map.