add select count of registred users by date and add diagram in admin main page
oev
Merge branch 'master' of https://github.com/nromanen/Ch-025 into hash

Conflicts:
	SSEL/src/main/java/com/softserve/controller/TeacherController.java
automatic open acoordion
add question entity dao service
add method getUserMarkByQuestion
edittopic changes
change design
add test
add tests
add admin and question tests
merge master
add questions to liqBase
Merge branch 'master' into vetall1
merging vetall1 branch with master + some changes in TestStatistic entity and methods