Merge remote-tracking branch 'origin/view_develop'
Added userCode
added "code" fields
Now it's work. Added 'USERCODE' column to db, userCode not-null="false"
Deleted "userCode" from AppUser. Added "eMail" and "userCode" to Student. Same things to db. Still work
Back to old version with new things (userCode & eMail in Student)
Recharge
Added "ball", "form", "teacher" to ExamMark
Added Timetable entity
Added TimetableManager
Merge remote-tracking branch 'refs/remotes/origin/db_dev' into view_develop