Adding support for File Saving   - this is from https://github.com/eligrey/FileSaver.js
Adding support for File Saving
  - this is from https://github.com/eligrey/FileSaver.js

Signed-off-by: Mark Nicholson <8d4a425c9e0ad7c7b6af22eb501c109304c1d477@gmail.com>

mark-nicholson/cvi-webtools,mark-nicholson/cvi-webtools