Work around dotnet/cli-migrate#11

Author: Daniel15

src/React.MSBuild/React.MSBuild.csproj

@@ -23,9 +23,14 @@
   <ItemGroup>
     <Compile Include="..\SharedAssemblyInfo.cs" />
     <Compile Include="..\SharedAssemblyVersionInfo.cs" />
-    <None Update="tools\**\*;Content\**\*">
+    <Content Include="tools\**\*">
       <Pack>true</Pack>
-    </None>
+      <PackagePath>tools\</PackagePath>
+    </Content>
+    <Content Include="Content\**\*">
+      <Pack>true</Pack>
+      <PackagePath>content\</PackagePath>
+    </Content>
   </ItemGroup>
 
   <ItemGroup>

src/React.Web.Mvc4/React.Web.Mvc4.csproj

@@ -24,9 +24,10 @@
   <ItemGroup>
     <Compile Include="..\SharedAssemblyInfo.cs;..\React.AspNet\HtmlHelperExtensions.cs" />
     <Compile Include="..\SharedAssemblyVersionInfo.cs" />
-    <None Update="Content\**\*">
+    <Content Include="Content\**\*">
       <Pack>true</Pack>
-    </None>
+      <PackagePath>content\</PackagePath>
+    </Content>
   </ItemGroup>
 
   <ItemGroup>

src/React.Web/React.Web.csproj

@@ -23,9 +23,10 @@
   <ItemGroup>
     <Compile Include="..\SharedAssemblyInfo.cs" />
     <Compile Include="..\SharedAssemblyVersionInfo.cs" />
-    <None Update="Content\**\*">
+    <Content Include="Content\**\*">
       <Pack>true</Pack>
-    </None>
+      <PackagePath>content\</PackagePath>
+    </Content>
   </ItemGroup>
 
   <ItemGroup>

src/System.Web.Optimization.React/System.Web.Optimization.React.csproj

@@ -23,9 +23,10 @@
   <ItemGroup>
     <Compile Include="..\SharedAssemblyInfo.cs" />
     <Compile Include="..\SharedAssemblyVersionInfo.cs" />
-    <None Update="readme.txt">
+    <Content Include="readme.txt">
       <Pack>true</Pack>
-    </None>
+      <PackagePath>content\</PackagePath>
+    </Content>
   </ItemGroup>
 
   <ItemGroup>