reduce memory
fix db issue
notification database
fix ticker count
Merge branch '0.50' of git://github.com/qii/weiciyuan into 0.50

Conflicts:
	src/org/qii/weiciyuan/othercomponent/unreadnotification/JBCommentsToMeNotificationServiceHelper.java
	src/org/qii/weiciyuan/othercomponent/unreadnotification/JBMentionsCommentNotificationServiceHelper.java
	src/org/qii/weiciyuan/othercomponent/unreadnotification/JBMentionsWeiboNotificationServiceHelper.java
	src/org/qii/weiciyuan/support/database/DatabaseHelper.java
	src/org/qii/weiciyuan/support/database/FriendsTimeLineDBTask.java
	src/org/qii/weiciyuan/support/database/HomeOtherGroupTimeLineDBTask.java
	src/org/qii/weiciyuan/support/lib/BlurImageView.java
	src/org/qii/weiciyuan/ui/userinfo/UserInfoFragment.java