1.增加封装好的等待对话框类
2.增加多账户登录（但是有点儿bug）
3.账户增加到json文件有bug,暂时没测
Merge branch 'develop' of https://github.com/wangwang4git/4MyLove into develop

Conflicts:
	src/com/bbs/whu/activity/LoginActivity.java
	src/com/bbs/whu/utils/MyConstants.java
修改合并后的错误
1.增加按钮
2.修复登录时的bug
3.增加删除账户的缓存文件
Merge branch 'develop' of https://github.com/wangwang4git/4MyLove into develop

Conflicts:
	res/layout/activity_login.xml
	src/com/bbs/whu/activity/LoginActivity.java
	src/com/bbs/whu/utils/MyConstants.java
1.整合工程_2013.1.25
Merge pull request #13 from ljp215/develop

Develop