Login form will react on `Enter` key as it should

Pressing `Enter` after entering name will change focus to
password
field.
Pressing `Enter` after entering password will act as
pressing the button
`btnLogin`.
Issue #3 resolved.
Exclude mistakenly added (in last commit) nunit from MainProject.
Forms refactoring (not finished)
Merge pull request #560 from olga-jane/master

Update O_Morozova
fixed Incoming Inspection report
Fix of failed login

Added user is null check
Login form. `Enter` will accept entered username and password.

`Enter` will not change the focus to next control, but instead.
Add to previous commit
Add to previous commit
Merge pull request #546 from qlynn/avtc

Issue #3 - Login form will react on `Enter` key as it should
Fix bug of modification SettingsXtraForm in user and permission grid

Move Modified flag from SettingsXtraForm to SettingsViewModel in the
part of the code, where object really changes
Piece->Part
Piece->Part(2)
Piece->Part(3)
Merge pull request #563 from olga-jane/O_Morozova

Fixed Incoming Inspection report
Merge pull request #565 from olga-jane/sidorov_InspectionComponentCreation

Inspection, component creation
Merge pull request #566 from olga-jane/Andrey-Zhyla

Fixed bugs of modification Settings in user and permission grid
Forms refactoring (not finished)
Piece->Part
Piece->Part(2)