Update docs and fix bugs (#149)

Improved the docs for the 3 main Tactility projects. I also fixed some inaccuracies and bugs in certain APIs as I went through the code.

TactilityCore/Source/DispatcherThread.h

@@ -19,7 +19,7 @@ public:
     /**
      * Dispatch a message.
      */
-    void dispatch(Callback callback, std::shared_ptr<void> context);
+    void dispatch(Dispatcher::Function function, std::shared_ptr<void> context);
 
     /** Start the thread (blocking). */
     void start();