Merge pull request #489 from olga-jane/O_Morozova

O Morozova
fix delete new row was implemented
Merge pull request #490 from olga-jane/sidorov_DeleteNewRowRevert

fix delete new row was implemented
Mask issue
Merge pull request #491 from olga-jane/ddd

Mask issue
Merge pull request #492 from olga-jane/master

Update O_Morozova