Add a statistical profiler. Also applied a bugfix b3Profiler.

- This is a compact hierarchical profiler which also stores node statistics
- Might need to use a hash-table to lookup statistic for node because each frame trees are build

examples/testbed/framework/test.cpp

@@ -18,6 +18,7 @@
 
 #include <testbed/framework/test.h>
 #include <testbed/framework/profiler.h>
+#include <testbed/framework/profiler_st.h>
 
 extern u32 b3_allocCalls, b3_maxAllocCalls;
 extern u32 b3_convexCalls, b3_convexCacheHits;
@@ -27,11 +28,13 @@ extern bool b3_convexCache;
 void b3BeginProfileScope(const char* name)
 {
 	g_profiler->BeginScope(name);
+	g_profilerSt->BeginScope(name);
 }
 
 void b3EndProfileScope()
 {
 	g_profiler->EndScope();
+	g_profilerSt->EndScope();
 }
 
 Test::Test() :