注册功能
更新注册接口
Merge branch 'master' of https://github.com/79091304/tvchat_new.git

Conflicts:
	src/com/ifeng/controller/AppUserController.java
	src/com/ifeng/dao/impl/AppUserDaoImpl.java
	src/com/ifeng/entity/appuser-mapper.xml
	src/com/ifeng/service/AppUserService.java
	src/com/ifeng/service/impl/AppUserServiceImpl.java