Continue with JS cleanup

- Fix Bugzilla "library"
- Autogrow to separate file
- Moved filterResults() to shared.js.coffee
- Moved NFT graph methods to graphs.js.coffee
- Created separate Sprocket JS files for multiple pages:
  index page, report listing, comparison, add report,
  view report, print report, edit/preview report
Error page using slim
Fix print view
500 and 422 also using slim
Renamed vendor image assets
Removed unused example files
Forgot to remove debug stuff
All images used in CSS moved to assets
Added couple of image_tag's
Fix css tags
Fix tests