Switch more references to NuGet

Author: Steve Ives

FileService/FileService.synproj

@@ -59,23 +59,10 @@
     <TargetRuntimeLevel>11010100</TargetRuntimeLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.Owin, Version=4.2.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
-      <HintPath>..\packages\Microsoft.Owin.4.2.2\lib\net45\Microsoft.Owin.dll</HintPath>
-      <Private>true</Private>
-    </Reference>
-    <Reference Include="Microsoft.Owin.Host.HttpListener, Version=4.2.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
-      <HintPath>..\packages\Microsoft.Owin.Host.HttpListener.4.2.2\lib\net45\Microsoft.Owin.Host.HttpListener.dll</HintPath>
-      <Private>true</Private>
-    </Reference>
-    <Reference Include="Microsoft.Owin.Hosting, Version=4.2.2.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35">
-      <HintPath>..\packages\Microsoft.Owin.Hosting.4.2.2\lib\net45\Microsoft.Owin.Hosting.dll</HintPath>
-      <Private>true</Private>
-    </Reference>
+    <PackageReference Include="Microsoft.Owin" Version="4.2.2" />
+	<PackageReference Include="Microsoft.Owin.Host.HttpListener" Version="4.2.2" />
+	<PackageReference Include="Microsoft.Owin.Hosting" Version="4.2.2" />
     <Reference Include="mscorlib" />
-    <Reference Include="Owin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f0ebd12fd5e55cc5">
-      <HintPath>..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
-      <Private>true</Private>
-    </Reference>
     <Reference Include="synrnt">
       <Private>False</Private>
     </Reference>