Revamp Profiler2 to make it more usable.

Features include new graphs to compare runtime of functions and runtimes
across reports, as well as new profiling functions that only profile
spikes.

This was SVN commit r18423.

source/scriptinterface/ScriptInterface.cpp

@@ -262,7 +262,7 @@ bool ProfileStop(JSContext* UNUSED(cx), uint UNUSED(argc), jsval* vp)
 	if (CProfileManager::IsInitialised() && ThreadUtil::IsMainThread())
 		g_Profiler.Stop();
 
-	g_Profiler2.RecordRegionLeave("(ProfileStop)");
+	g_Profiler2.RecordRegionLeave();
 
 	rec.rval().setUndefined();
 	return true;