Follow bean-conventions for the fields of "Result".

src/main/java/eu/dnetlib/validator2/validation/guideline/Guideline.java

@@ -40,6 +40,19 @@ public interface Guideline<T> {
 
         // When status == ERROR, the internal error is held here
         String internalError();
+
+        
+        // Follow the bean conventions.
+        int getScore();
+        void setScore(int score);
+        Status getStatus();
+        void setStatus(String status);
+        Iterable<String> getWarnings();
+        void setWarnings(Iterable<String> warnings);
+        Iterable<String> getErrors();
+        void setErrors(Iterable<String> errors);
+        String getInternalError();
+        void setInternalError(String internalError);
     }
 
 }