初步完成查看学生信息
完成学生信息修改功能
修改view中update_profile对form信息的处理
修改查看学生信息
修改引用不存在的html的地方
fix bug and add migration
add migration
Merge branch 'feature/student_profile' into develop

Conflicts:
	OEMS/urls.py
	student/forms.py
	student/views.py
加入了几个身份验证语句
Merge branch 'develop' into feature/design_web_page