Fixed saving of enums to json settings. Added global enum for rounding.

core/enums.h

@@ -9,6 +9,7 @@ class CORESHARED_EXPORT Enums : public QObject
     Q_OBJECT
 
     Q_ENUMS(VatType)
+    Q_ENUMS(Rounding)
 public:
 
     enum VatType
@@ -19,6 +20,14 @@ public:
         SECOND_LOWER
     };
 
+    enum Rounding
+    {
+        R_NONE,
+        R_UP,
+        R_DOWN,
+        R_MATH
+    };
+
     Enums()
     {
     }