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.

sp/src/vpc_scripts/source_exe_con_base.vpc

@@ -0,0 +1,18 @@
+$Include "$SRCDIR\vpc_scripts\platform_dirs.vpc"
+$include "$SRCDIR\vpc_scripts\source_base.vpc"
+
+
+$Include "$SRCDIR\vpc_scripts\source_exe_con_win32_base.vpc" [$WINDOWS]
+$Include "$SRCDIR\vpc_scripts\source_exe_posix_base.vpc" [$POSIX]
+$Include "$SRCDIR\vpc_scripts\source_xex_x360_base.vpc"	[$X360]
+
+$Configuration
+{
+	$Compiler
+	{
+		$PreprocessorDefinitions			"$BASE;DEV_BUILD"						[!$PUBLISH]
+		$PreprocessorDefinitions			"$BASE;_PROFILE"						[$PROFILE && !$RETAIL]
+		$PreprocessorDefinitions			"$BASE;RETAIL_ASSERTS"					[$RETAIL && $RETAILASSERTS]
+		$PreprocessorDefinitions			"$BASE;FRAME_POINTER_OMISSION_DISABLED"	[$NOFPO || $VS2010]
+	}
+}