Minor - Rename alternative (unused by default) Database class to MySQLIDatabase to avoid confusing IDE + code styling review
Minor - More code styling
Minor - Add params validation to get_user_status_in_session()
Removed condition for login_as using parameters not yet defined
Add information about user who created the user on screen and when - refs BT#7123
Add information about user who created the user on screen and when in edit form - refs BT#7123