Merge branch 'rel/2.0.0-preview2' into dev-gate

Author: kichalla

samples/IdentityOIDCWebApplicationSample/IdentityOIDCWebApplicationSample.csproj

@@ -5,7 +5,7 @@
   <PropertyGroup>
     <TargetFramework>netcoreapp2.0</TargetFramework>
     <MvcRazorCompileOnPublish>true</MvcRazorCompileOnPublish>
-    <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
+    <AssetTargetFallback>$(AssetTargetFallback);portable-net45+win8+wp8+wpa81;</AssetTargetFallback>
     <UserSecretsId>aspnet-IdentityWebApplicationSample-71B323EE-A696-4709-9EA5-C93EFCD9E6FB</UserSecretsId>
   </PropertyGroup>