Merge pull request #7 from liangxifeng833/master

添加php发送email-demo
Merge pull request #8 from liangxifeng833/master

php readme.md update
rln add test dir
Merge pull request #9 from congyi-2014/master

娜娜添加测试
Merge pull request #5 from ljcode/master

更新娜娜的test