Update protobuild to set ToolsVersion add Microsoft.Common.Props to wp8.1 and updates the minimum vs version
Update protobuild to set ToolsVersion add Microsoft.Common.Props to wp8.1 and updates the minimum vs version

Protobuild/Protobuild,silasary/Protobuild,Protobuild/Protobuild,silasary/Protobuild,silasary/Protobuild,Protobuild/Protobuild,hach-que/Protobuild,Protobuild/Protobuild,hach-que/Protobuild,Protobuild/Protobuild,hach-que/Protobuild