log level property name fix

Author: hhund

src/main/java/dev/dsf/fhir/validator/main/ValidationConfig.java

@@ -98,7 +98,7 @@ public Level level()
 	@Value("${dev.dsf.validation:true}")
 	private boolean validationEnabled;
 
-	@Value("${dev.dsf.logLevel:INFO}")
+	@Value("${dev.dsf.validation.logLevel:INFO}")
 	private LogLevel logLevel;
 
 	@Value("#{'${dev.dsf.validation.package:}'.trim().split('(,[ ]?)|(\\n)')}")