Attempt at auto update SVN revision in title bar - let's see if it works for everyone, sorry Sonic, you'll have to find a linux solution (see svnrev_template.h). Also adds some smash bros cheats.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@34 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/FileUtil.h

@@ -9,6 +9,7 @@ public:
 	static bool Exists(const std::string &filename);
 	static void Launch(const std::string &filename);
 	static void Explore(const std::string &path);
+	static bool IsDirectory(const std::string &filename);
 };
 
 #endif