Added delete Feature
Added new store procedure
Renamed and corrected logic for login ID validation
Hooked up delete user logic to desktop UI
Dispose DAL Respository
Bug fixed for update user

To fix the login id already exist when update user detail.
Reorganised XAML files and renamed page classes
Added MVVM framework classes

Wired up UsersListPage with view model in XAML (buggy)
Moved button click handler logic to commands

on UsersList page
Replaced LoginPage with LoginControl

along with LoginViewModel and using DataTemplate to define View and
ViewModel relationship
Created AppViewModel for MainWindow to manage multiple views and viewmodels

Still lacking ability for a viewmodel to ask to switch to a different
view
Set up Nuget package restore and ignore packages folder
Added MVVM Light toolkit

via Nuget
Finish setting up Nuget package restore
Integrate MVVM Light into current project (using a dummy view)
Reorganised XAML files, page changing command works
Added messaging to allow LoginPage to navigate to UsersListPage
Fixed package dependency issue causing design-time errors
Added main menu which is shown after logging in
Merge branch 'master' into wpf

Conflicts:
	Arvato.TestProject.UsrMgmt.BLL/Interface/IUserService.cs
	Arvato.TestProject.UsrMgmt.BLL/Service/UserService.cs
	Arvato.TestProject.UsrMgmt.DAL/Interface/IUserRepository.cs
	Arvato.TestProject.UsrMgmt.DAL/Repository/UserRepository.cs
	Arvato.TestProject.UsrMgmt.UI.Desktop/Views/UsersListPage.xaml.cs