Another addition to the 'Simple' series.
This time its an extension manager.

功能包括：
- 通过弹出菜单来启用/禁用，访问选项和卸载扩展
- 定制弹出菜单容貌
- 制作扩展群组
- 通过弹出菜单和右键菜单启用/禁用扩展群组
- 启用活动页面

更新日志可以在扩展的选项页面里找到。

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Help translate SimpleExtManager!
http://blandlifedev.blogspot.sg/2013/05/internationalization-part-2.html

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Reason For Permission Requests:
Your list of installed apps, extensions, and themes
-> WHY: It is required for the extension to perform its basic functions.

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Note:
The extension is still p-v1.0 as there may still be bugs I've missed.
Please do feedback when something is not working, better if there are steps to replicate the problem.
Thanks :)