Merge pull request #45 from com360/master

MainActivity.java回退到上个版本，退出连续播放动画有bug。
solve exception:can't instantiate class cn.eoe.app.view.NewsFragment; no empty constructor
Merge pull request #48 from king0769/master

修复因找不到类NewsFragment的无参构造函数导致的force close
add two dimition code login