refactor notification
fix weibo detail copy issue
Merge branch '0.50' of git://github.com/qii/weiciyuan into 0.50

Conflicts:
	res/xml/changelog.xml
	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/lib/ClickableTextViewMentionLinkOnTouchListener.java
	src/org/qii/weiciyuan/support/utils/NotificationUtility.java