Mind,Mrntt: Use async pattern in Mind; init threads before initializeSmo

In Mrntt, we now initialize Mind:: object threads before calling
initializeSalmanoffReq().

We've also propagated the spinscale async pattern into the Mind
class.

smocore/marionette/marionette.cpp

@@ -90,16 +90,24 @@ void ComponentThread::marionetteMain(ComponentThread& self)
 
 		self.getIoService().post([]()
 		{
-			// Initialize Salmanoff first
-			initializeSalmanoff([](bool success)
-			{
-				if (success) {
-					// Then initialize the global Mind object
-					globalMind->initialize();
-				} else {
-					std::cerr << "Failed to initialize Salmanoff" << std::endl;
+			// Initialize Mind object (threads) first
+			globalMind->initializeReq(
+				[](bool success)
+				{
+					if (success) {
+						initializeSalmanoff([](bool success) {
+							if (!success) {
+								std::cerr << "Failed to initialize "
+									"Salmanoff" << '\n';
+							}
+						});
+					}
+					else {
+						std::cerr << "Failed to initialize Mind object "
+							"(threads)" << '\n';
+					}
 				}
-			});
+			);
 		});
 
         std::cout << __func__ << ": Entering event loop" << "\n";
@@ -199,7 +207,10 @@ void ComponentThread::marionetteMain(ComponentThread& self)
 
 	if (callFinalizeReq)
 	{
-		globalMind->finalizeReq([]{
+		globalMind->finalizeReq([](bool success) {
+			if (!success) {
+				std::cerr << "Failed to finalize Mind object (threads)" << '\n';
+			}
 			mrntt::mrntt->getIoService().stop();
 		});
 		self.getIoService().reset();