新增收藏统计、笔记统计、错题统计、用户行为分析页面和Action
Merge branch 'master' of
ssh://git@github.com/xmuzhangshuai/ExamHelperServer.git

Conflicts:
	ExamHelper/src/com/yrw/web/actions/CollectionAction.java
Signed-off-by: xmuzhangshuai <1207509737@qq.com>