Added new vcproj document model.

Change-Id: I94e6fe8fdced49cf86ffc2dff4ae0ffae88d9d67
Reviewed-by: Sergey Shambir <sergey.shambir.auto@gmail.com>
Reviewed-by: Bojan Petrovic <bojan85@gmail.com>
Added schema file setting in vcproj options page.

Change-Id: Ifc7dd0eab6a16d4c181e3627b84909e4226915f1
Reviewed-by: Bojan Petrovic <bojan85@gmail.com>