Make [at|de]tachAllSenseDevices[FromSpecs] and initializeSalmanoff async

This is the culmination of a lot of changes over the last week. We're
making SMO basically fully async in many areas, and then preparing to
implement the spinqueueing mechanism for locking.

smocore/include/salmanoff.h

@@ -2,12 +2,15 @@
 #define _SALMANOFF_H
 
 #include <memory>
+#include <functional>
 #include <componentThread.h>
 
 namespace smo {
 
-void initializeSalmanoff(std::shared_ptr<ComponentThread>& componentThread);
-void shutdownSalmanoff(void);
+typedef std::function<void(bool)> initializeSalmanoffCbFn;
+typedef initializeSalmanoffCbFn shutdownSalmanoffCbFn;
+void initializeSalmanoff(initializeSalmanoffCbFn callback);
+void shutdownSalmanoff(shutdownSalmanoffCbFn callback);
 
 } // namespace smo