Merge pull request #1 from housetail/master

删除author的注释
修改部分细节功能
Merge branch 'master' of https://github.com/wxkingstar/dagger
修改部分细节功能
系统环境一键安装
修复生成的url末尾带有&0=的bug
Update README.md
Update README.md
检测app参数，防止xss
Merge branch 'master' of https://github.com/wxkingstar/dagger
删除多余代码
Merge branch 'master' of https://github.com/wxkingstar/dagger
Update DaggerSysInitConfig.php

fix bug that error definition of platform
合并dagger1.2
合并dagger1.2
去掉向前兼容代码
加入xhprof
增加memcached扩展检测
修改image基类为imagic
Merge branch 'master' of https://github.com/wxkingstar/dagger