Whoa, amb1941: All of AMX Mod X is now officially moved over to Visual Studio 2005 (MSVC 8)

Also did the following:
* Removed -fPIC from all Linux makefiles
* AMXX build tool now also moved over to VS 2005
* AMXX build tool binary renamed from "AMXXRelease" to "builder"
* MSVC project files now can use environment variables to point to the paths of the Metamod headers and HL SDK: $(METAMOD) and $(HLSDK) respectively

dlls/hamsandwich/amxx_api.cpp

@@ -27,8 +27,8 @@
  *  version.
  */
 
+#include "amxxmodule.h"
 #include <extdll.h>
-#include "sdk/amxxmodule.h"
 
 #include "NEW_Util.h"
 #include "CVector.h"