Merge pull request #99 from FeverTeam/dev

更新注册脚本、	完成PPT文件上传功能：1、修改uploadifive源码使其支持自定义Header
增加缓存时间，尝试解决内存占用过高问题。
Merge pull request #104 from FeverTeam/dev-iron

Dev iron
Merge pull request #105 from FeverTeam/dev

Dev