update project file (visual studio upgrading)

Author: jingwood

ReoGrid.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 14
-VisualStudioVersion = 14.0.25420.1
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29503.13
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Demo", "Demo\Demo.csproj", "{99F06745-743B-4B54-AFC8-30CC295B717B}"
 EndProject
@@ -61,4 +61,7 @@ Global
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {A7DBF16C-1B35-4FD2-AECB-B05E7C4347E5}
+	EndGlobalSection
 EndGlobal

ReoGrid/ReoGrid.csproj

@@ -75,7 +75,8 @@
     <SignAssembly>false</SignAssembly>
   </PropertyGroup>
   <PropertyGroup>
-    <AssemblyOriginatorKeyFile>reogrid-0.8.6.pfx</AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>
+    </AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'WPFDebug|AnyCPU'">
     <DebugSymbols>true</DebugSymbols>