Switch projects from DelaySign to PublicSign

This now requires Visual Studio 2015 Update 2 to build.

Author: jasonmalinowski

src/Microsoft.NuGet.Build.Tasks.Tests/Microsoft.NuGet.Build.Tasks.Tests.csproj

@@ -13,7 +13,7 @@
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
     <SignAssembly>true</SignAssembly>
-    <DelaySign>true</DelaySign>
+    <PublicSign>true</PublicSign>
     <AssemblyOriginatorKeyFile>..\..\build\PublicKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -106,4 +106,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
+</Project>

src/Microsoft.NuGet.Build.Tasks/Microsoft.NuGet.Build.Tasks.csproj

@@ -13,7 +13,7 @@
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
     <SignAssembly>true</SignAssembly>
-    <DelaySign>true</DelaySign>
+    <PublicSign>true</PublicSign>
     <AssemblyOriginatorKeyFile>..\..\build\PublicKey.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -80,4 +80,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
+</Project>