Merge FileFormats dll into Game and reorganise namespaces.

OpenRA.Renderer.Sdl2/OpenRA.Renderer.Sdl2.csproj

@@ -47,10 +47,6 @@
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <ItemGroup>
-    <ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">
-      <Project>{BDAEAB25-991E-46A7-AF1E-4F0E03358DAA}</Project>
-      <Name>OpenRA.FileFormats</Name>
-    </ProjectReference>
     <ProjectReference Include="..\OpenRA.Game\OpenRA.Game.csproj">
       <Project>{0DFB103F-2962-400F-8C6D-E2C28CCBA633}</Project>
       <Name>OpenRA.Game</Name>

OpenRA.Renderer.Sdl2/Sdl2GraphicsDevice.cs

@@ -11,7 +11,8 @@
 using System;
 using System.Drawing;
 using System.Linq;
-using OpenRA.FileFormats.Graphics;
+using OpenRA;
+using OpenRA.Graphics;
 using OpenRA.Renderer.Glsl;
 using OpenRA.Renderer.SdlCommon;
 using SDL2;