Added Fody to Model.Portable, updated nuget spec

MediaBrowser.Model.Portable/MediaBrowser.Model.Portable.csproj

@@ -16,6 +16,7 @@
     <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
+    <FodyPath>..\packages\Fody.1.13.12</FodyPath>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -36,6 +37,7 @@
   </PropertyGroup>
   <ItemGroup>
     <!-- A reference to the entire .NET Framework is automatically included -->
+    <None Include="Fody.targets" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
@@ -370,6 +372,9 @@
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="FodyWeavers.xml" />
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>if $(ConfigurationName) == Release (
@@ -378,6 +383,7 @@ xcopy "$(TargetPath)" "$(SolutionDir)\Nuget\dlls\" /y /d /r /i
   </PropertyGroup>
   <Import Project="$(SolutionDir)\.nuget\NuGet.targets" Condition="Exists('$(SolutionDir)\.nuget\NuGet.targets')" />
   <Import Project="..\packages\Microsoft.Bcl.Build.1.0.8\tools\Microsoft.Bcl.Build.targets" />
+  <Import Project="Fody.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">