Reducing usage of #if CLIENT / #elif SERVER

The server will implement some classes it probably shouldn't need because certain items or game states depend on them.

BarotraumaServer/BarotraumaServer.csproj

@@ -34,6 +34,7 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="MonoGame.Framework, Version=3.5.1.1679, Culture=neutral, processorArchitecture=MSIL" />
     <Reference Include="System" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
@@ -44,11 +45,31 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="GameMain.cs" />
+    <Compile Include="PlayerInput.cs" />
+    <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Farseer Physics Engine 3.5\Farseer Physics MonoGame.csproj">
+      <Project>{0aad36e3-51a5-4a07-ab60-5c8a66bd38b7}</Project>
+      <Name>Farseer Physics MonoGame</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Hyper.ComponentModel\Hyper.ComponentModel.csproj">
+      <Project>{3b8f9edb-6e5e-450c-abc2-ec49075d0b50}</Project>
+      <Name>Hyper.ComponentModel</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Lidgren.Network\Lidgren.Network.csproj">
+      <Project>{49ba1c69-6104-41ac-a5d8-b54fa9f696e8}</Project>
+      <Name>Lidgren.Network</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="NewFolder1\" />
+  </ItemGroup>
   <Import Project="..\BarotraumaShared\BarotraumaShared.projitems" Label="Shared" />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.