Fix BlackMisc header includes

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

refs #630

src/blackmisc/geo/coordinategeodetic.cpp

@@ -9,9 +9,13 @@
 
 #include "blackmisc/geo/coordinategeodetic.h"
 #include "blackmisc/propertyindex.h"
-#include "blackmisc/math/mathutils.h"
 #include "blackmisc/variant.h"
-#include <QtCore/qmath.h>
+
+#include <QByteArray>
+#include <QtGlobal>
+#include <cmath>
+
+
 
 using namespace BlackMisc::PhysicalQuantities;
 using namespace BlackMisc::Math;