General:

* Fixed a variety of server browser issues with mods based on this SDK
* Fixed many warnings on various platforms
* Added source code for fgdlib and raytrace
* Updated many source files with the latest shared source from TF2.

OSX:
* Added support for Xcode 4.6
* Switched OSX builds to use Xcode instead of makefiles
* Moved libs from src/lib/osx32 to src/lib/public/osx32 or src/lib/common/osx32 to match windows better.

Linux:
* Moved libs from src/lib/linux32 to src/lib/public/linux32 or src/lib/common/linux32 to match windows better.

mp/src/tier0/tier0_exclude.vpc

@@ -1,5 +1,5 @@
 //-----------------------------------------------------------------------------
-//	tier0_s_exclude.vpc
+//	tier0_exclude.vpc
 //
 //	Project Script
 //-----------------------------------------------------------------------------
@@ -8,8 +8,7 @@ $Project
 {
 	$Folder	"Link Libraries"
 	{
-		-$File "$SRCDIR\lib\$PLATFORM\$_IMPLIB_PREFIXtier0$_IMPLIB_EXT" [!$WINDOWS]
-		-$File "$SRCDIR\lib\public\$_IMPLIB_PREFIXtier0$_IMPLIB_EXT" [$WINDOWS]
+		-$Lib "$LIBPUBLIC\tier0"
 	}
 	$Folder	"Source Files"
 	{