[Minor] added additional constructor to pass state and error msg

src/main/java/li/strolch/service/api/ServiceResult.java

@@ -37,6 +37,16 @@ public class ServiceResult implements Serializable {
 		this.state = state;
 	}
 
+	/**
+	 * @param state
+	 * @param message
+	 */
+	public ServiceResult(ServiceResultState state, String message) {
+		super();
+		this.state = state;
+		this.message = message;
+	}
+
 	/**
 	 * @param state
 	 * @param message