rename EBox::UsersAndGroups -> EBox::Users

Conflicts:
	main/captiveportal/ChangeLog
	main/core/src/EBox/CGI/t/Run.t
	main/mail/ChangeLog
	main/samba/ChangeLog
	main/samba/src/EBox/Samba/Group.pm
	main/samba/src/EBox/Samba/User.pm
	main/users/ChangeLog
	main/users/src/EBox/UsersAndGroups.pm
	main/users/src/EBox/UsersAndGroups/Model/ManageUsers.pm
	main/users/src/EBox/UsersAndGroups/Model/Password.pm
move EBox/UsersAndGroups -> EBox/Users

Conflicts:
	main/users/src/EBox/Users/Model/ManageUsers.pm