* Initial attempt at adding favicons.
* Cache the favicons for 30 days.
* Refactor faviconService, remove unused faviconDirective.
* Change icon url to icons.bitwarden.com. Update style to support dynamic size of icon.
* Use hostname instead of domain.
* Fix getFavicon throwing an exception if the uri is not a valid url.
* Add enabled property to faviconService to prevent slow calls to storage. Fixed chrome not displaying chrome://favicon properly.
* Fix chrome disable favicon not working as expected.
* Add default icon.
* Fix jshint errors.
* Cleanup of faviconService, removed caching related code. Add faviconComponent for handling favicons.
* Remove faviconService, moved functionallity into faviconComponent.
* Fix faviconComponent not updating when uri changes.
* Rename favicon to icon.
* Improve whitelist.
