Merge pull request #1 from arjrWangwei/master

增加债权转让代码
Merge pull request #2 from arjrWangwei/master

2014.12.11号从王伟合并进周阳
后台提历史记录

后台提历史记录
Merge pull request #1 from arjrZhouYang/master

后台提现历史记录