Added logger for errors and debug
Merge changes from Gauri and added default error handling logic
Added tk.png and updated the custom css
Done the CSS related changes
Great Rajib changes
Merge branch 'Sprint1' of https://github.com/aptara/AdvantexeAdminPortal into Sprint1

Conflicts:
	Advantexe.Protal.v11.suo
	Web/Views/Client/ManageClient.cshtml
	Web/Views/Shared/_AdminLayout.cshtml
Resolve merge
Merge branch 'Sprint1' of https://github.com/aptara/AdvantexeAdminPortal into Gauri

Conflicts:
	Advantexe.Protal.v11.suo
	Web/Controllers/Admin/ClientController.cs
	Web/Views/Client/ManageClient.cshtml
	Web/Views/Shared/_AdminLayout.cshtml
	Web/Web.config
	Web/bin/Advantexe.Admin.Portal.dll
	Web/bin/Advantexe.Admin.Portal.pdb
	Web/obj/Debug/Advantexe.Admin.Portal.csproj.FileListAbsolute.txt
	Web/obj/Debug/Advantexe.Admin.Portal.csprojResolveAssemblyReference.cache
	Web/obj/Debug/Advantexe.Admin.Portal.dll
	Web/obj/Debug/Advantexe.Admin.Portal.pdb
	Web/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache