Fix BlackMisc header includes

* Include only what is used
* Use forward declaration when possible
* Sorted includes

refs #630

src/blackmisc/simulation/simulatorplugininfo.h

@@ -13,8 +13,13 @@
 #define BLACKMISC_SIMULATION_SIMULATORPLUGININFO_H
 
 #include "blackmisc/blackmiscexport.h"
+#include "blackmisc/metaclass.h"
 #include "blackmisc/valueobject.h"
 
+#include <QJsonObject>
+#include <QMetaType>
+#include <QString>
+
 namespace BlackMisc
 {
     namespace Simulation