Added unityengine.dll to project so it will actually build on someone's computer when they pull it down.

Author: EricFreeman

lib/UnityEngine.dll

@@ -38,7 +38,7 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Xml" />
     <Reference Include="UnityEngine">
-      <HintPath>..\..\..\..\..\..\Program Files (x86)\Unity\Editor\Data\Managed\UnityEngine.dll</HintPath>
+      <HintPath>..\..\lib\UnityEngine.dll</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
@@ -48,6 +48,9 @@
     <Compile Include="IListener.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <WCFMetadata Include="Service References\" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.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.