Can not submit to the app store because that ios9 beta > ios8.4.

1.The statistical function of chart is now totally free instead of charging!
2.Optimize the function of creating a task. Now it is more convinient .
3.Optimize the layout structure of the task list so that the key points can be highlighted.

1. 图表统计功能现在完全免费，不再收费啦！
2. 优化创建任务功能，现在创建任务更加方便。
3. 优化任务列表的布局结构，更能突出重点。

Error:
Can not submit to the app store because that ios9 beta > ios8.4.

2.0.6

新增决心模式

2.0.4

Fixed a bug for the task details page that the breaked times not update.

2.0.3

Commit the version 2.0.3 to the App Store:
Fixed bugs:

1. iOS 7.1.2 Bug: The app will crash when press the start button! (is ok!)
2. After a timer finished, when the user lock the screen and unlock it, then the finished times will +1. repeat those steps, it will + 1 every time!

2.0.2

Commit the version 2.0.2 to the App Store:
Fixed bugs:

1. iOS 7.1.2 Bug: The app will crash when press the start button! （2.0.1 didn't fixed that.）

2.0.1

Commit the version 2.0.1 to the App Store:
Fixed bugs:

1. iOS 7.1.2 Bug: The app will crash when press the start button!
2. The tutorials will not shown if the first launch didn't open the details page or the statistics page.

2.0.0

First commit the version 2.0.0 to the App Store