完成基本功能
学生评分管理功能完成
Merge remote-tracking branch 'origin/LF' into LF

Conflicts:
	ScoreByStudent_Management.html
	css/ScoreByStudent_Management/ScoreByStudent_Management.css
	js/ScoreByStudent_Management/InitCourseList.js
	js/ScoreByStudent_Management/ScoreByStudent_Management.js
	json/1152112.json
	json/1152124.json
	json/classes_all.json
Add sidebar.
修改了部分页面的css