* Supported Deutsch.
* Fixed some text on the option page and the guide page in English.
* Updated UI design.

Please re settting each item in option page if updated this add-on. Otherwise this add-on may be not work.

* Added a notification when change settings.
* Updated an image of guide page.

* Adjusted design of option page.
* Migrated pageAction's function (addressbar) to browserAction ( toolbar ).

* Fixed name of translation service.
* Reviewed source code.
* Updated README.md