Initial implementation of Metronome from Ableton LINK

Added submodule for github ableton link, and compiled draft of Metronome class.

main.cpp

@@ -28,7 +28,7 @@
 #include "RenderingManager.h"
 #include "UserInterfaceManager.h"
 #include "Connection.h"
-
+#include "Metronome.h"
 
 #if defined(APPLE)
 extern "C"{
@@ -85,12 +85,18 @@ int main(int argc, char *argv[])
     /// lock to inform an instance is running
     Settings::Lock();
 
+    ///
     ///
     /// CONNECTION INIT
     ///
     if ( !Connection::manager().init() )
         return 1;
 
+    /// METRONOME INIT
+    ///
+    if ( !Metronome::manager().init() )
+        return 1;
+
     ///
     /// RENDERING INIT
     ///
@@ -140,6 +146,11 @@ int main(int argc, char *argv[])
     ///
     Rendering::manager().terminate();
 
+    ///
+    /// METRONOME TERMINATE
+    ///
+    Metronome::manager().terminate();
+
     ///
     /// CONNECTION TERMINATE
     ///