Enabled DBus with matrix classes, noticed issue with QList Signature (ad, addddd)

src/blackmisc/blackmiscfreefunctions.h

@@ -7,6 +7,7 @@
 #define BLACKMISC_FREEFUNCTIONS_H
 #include "avallclasses.h"
 #include "pqallquantities.h"
+#include "mathallclasses.h"
 
 namespace BlackMisc {
 
@@ -34,6 +35,15 @@ void registerMetadata();
 
 } // Aviation
 
+namespace Math {
+
+/*!
+ * \brief Register metadata for math (matrices, vectors)
+ */
+void registerMetadata();
+
+}
+
 /*!
  * \brief Register all relevant metadata in BlackMisc
  */