更改首页图标，修改两个权限问题
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Merge pull request #7 from ljp215/develop

Develop
1.完善用户名、密码存储策略；
2.修正合并后带来的json文件不保存bug；
1.增加XML解析异常处理；
2.修正富文本显示bug；

Signed-off-by: wangwang4git <wangwang4whu@126.com>
Merge branch 'develop' of https://github.com/wangwang4git/4MyLove into develop

Conflicts:
	res/layout/activity_bulletin.xml
	res/values/strings.xml
	src/com/bbs/whu/activity/BulletinActivity.java
修改冲突
Merge pull request #9 from double0291/develop

解决冲突2013-1-20
修正当用户名相同密码不同时，
用户名、密码json文件保存策略。

Signed-off-by: wangwang4git <wangwang4whu@126.com>
Merge branch 'develop' of https://github.com/wangwang4git/4MyLove into addXMLException
添加发表帖子
Merge pull request #10 from double0291/develop

添加发表帖子
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