run GUI on main thread for Mac OSX/__APPLE__, due to OS limitation

add b3CreateInProcessPhysicsServerAndConnectMainThread to test.c

examples/ExampleBrowser/main.cpp

@@ -1,4 +1,24 @@
 
+
+#include "InProcessExampleBrowserMainThread.h"
+
+int main(int argc, char* argv[])
+{
+    
+    btInProcessExampleBrowserMainThreadInternalData* data = btCreateInProcessExampleBrowserMainThread(argc,argv);
+    
+    while (!btIsExampleBrowserMainThreadTerminated(data))
+    {
+        btUpdateInProcessExampleBrowserMainThread(data, 1./60.);
+    }
+    btShutDownExampleBrowserMainThread(data);
+
+    
+    return 0;
+}
+
+
+#if 0
 //#define EXAMPLE_CONSOLE_ONLY
 #ifdef EXAMPLE_CONSOLE_ONLY
 	#include "EmptyBrowser.h"
@@ -43,3 +63,4 @@ int main(int argc, char* argv[])
 	
 	return 0;
 }
+#endif