Remove some unused CoreLib stuff

- plRefCnt duplicates hsRefCnt (Wtf?)
- hsNamedPipeStream nasty, unused
- VDB stuff in hsStream left over from Plasma 1 (realMyst/DIRT)
- hsColor32 moved to be less promiscuous

Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.cpp

@@ -59,6 +59,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #endif
 
 #include "hsDXTDirectXCodec.h"
+#include "hsColorRGBA.h"
 #include "plMipmap.h"
 #include "hsCodecManager.h"
 #include "plPipeline/hsGDDrawDllLoad.h"

Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.h

@@ -54,11 +54,10 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #ifndef hsDXTDirectXCodec_inc
 #define hsDXTDirectXCodec_inc
 
-
-
 #include "hsCodec.h"
 
 class plMipmap;
+typedef struct hsColor32 hsRGBAColor32;
 #if HS_BUILD_FOR_WIN32
 struct IDirect3DDevice8;
 struct IDirectDrawSurface7;

Sources/Plasma/PubUtilLib/plGImage/hsDXTSoftwareCodec.cpp

@@ -41,6 +41,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 *==LICENSE==*/
 #include <memory.h>
 #include "HeadSpin.h"
+#include "hsColorRGBA.h"
 #include "hsDXTSoftwareCodec.h"
 #include "plMipmap.h"
 #include "hsCodecManager.h"

Sources/Plasma/PubUtilLib/plGImage/hsDXTSoftwareCodec.h

@@ -46,6 +46,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #include "hsCodec.h"
 
 class plMipmap;
+typedef struct hsColor32 hsRGBAColor32;
 
 class hsDXTSoftwareCodec : public hsCodec
 {

Sources/Plasma/PubUtilLib/plGImage/plTGAWriter.cpp

@@ -53,6 +53,7 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 
 #include "HeadSpin.h"
 #include "plTGAWriter.h"
+#include "hsColorRGBA.h"
 #include "plMipmap.h"
 #include "hsStream.h"