Initial stubs and basic Engine implementation

lib/AudioGroupData.cpp

@@ -0,0 +1,14 @@
+#include "amuse/AudioGroupData.hpp"
+
+namespace amuse
+{
+
+IntrusiveAudioGroupData::~IntrusiveAudioGroupData()
+{
+    delete m_pool;
+    delete m_proj;
+    delete m_sdir;
+    delete m_samp;
+}
+
+}