Notice: Partner classtable has removed, duo to a plugin which could not fit the latest SDK.

1. Check timetable while class info is loading @chitao1234
2. Rewrite some logic code in Android app widget & iOS WidgetKit @BenderBlog
3. Electricity history record graph and average usage graph @BenderBlog @BrackRat
4. Rewrite some page to fit scrolling in wide screen @BenderBlog
5. New sysj system with some experiment info @BenderBlog @LichtYy
6. New physics experiment score detection algorithm @hazuki-keatsu
