Split middleware into separate NuGet package (React.AspNet.Middleware) (#422)

Closes #388

Author: Daniel15

build.proj

@@ -23,6 +23,7 @@ of patent rights can be found in the PATENTS file in the same directory.
 	<ItemGroup>
 		<PackageAssemblies Include="Cassette.React" />
 		<PackageAssemblies Include="React.AspNet" />
+		<PackageAssemblies Include="React.AspNet.Middleware" />
 		<PackageAssemblies Include="React.Core" />
 		<PackageAssemblies Include="React.MSBuild" />
 		<PackageAssemblies Include="React.Owin" />

src/React.AspNet/AspNetFileSystem.cs renamed to src/React.AspNet.Middleware/AspNetFileSystem.cs

@@ -0,0 +1,48 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <Description>ASP.NET Core middleware to transpile JavaScript via Babel. Please refer to project site (http://reactjs.net/) for full installation instructions, usage examples and sample code</Description>
+    <Copyright>Copyright 2014-Present Facebook, Inc</Copyright>
+    <AssemblyTitle>ReactJS.NET - Babel middleware for ASP.NET Core</AssemblyTitle>
+    <Authors>Daniel Lo Nigro</Authors>
+    <TargetFrameworks>net451;netstandard1.6</TargetFrameworks>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <AssemblyName>React.AspNet.Middleware</AssemblyName>
+    <AssemblyOriginatorKeyFile>../key.snk</AssemblyOriginatorKeyFile>
+    <SignAssembly>true</SignAssembly>
+    <PublicSign Condition=" '$(OS)' != 'Windows_NT' ">true</PublicSign>
+    <PackageId>React.AspNet.Middleware</PackageId>
+    <PackageTags>asp.net;mvc;asp;javascript;js;react;facebook;reactjs;vnext;asp.net 5;asp.net core</PackageTags>
+    <PackageIconUrl>http://reactjs.net/img/logo_64.png</PackageIconUrl>
+    <PackageProjectUrl>http://reactjs.net/</PackageProjectUrl>
+    <PackageLicenseUrl>https://github.com/reactjs/React.NET#licence</PackageLicenseUrl>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <DefineConstants>$(DefineConstants);ASPNETCORE</DefineConstants>
+    <RootNamespace>React.AspNet</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="..\SharedAssemblyInfo.cs" />
+    <Compile Include="..\SharedAssemblyVersionInfo.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\React.Core\React.Core.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="1.1.2" />
+    <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="1.1.2" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="1.1.0" />
+    <PackageReference Include="Microsoft.Extensions.FileProviders.Physical" Version="1.1.1" />
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.6' ">
+    <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="1.1.1" />
+  </ItemGroup>
+
+  <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+  </PropertyGroup>
+
+</Project>