avoid hibernate validation log messages

CLEA-lib/java/src/main/resources/logback.xml

+<configuration>
+
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <!-- encoders are assigned the type
+         ch.qos.logback.classic.encoder.PatternLayoutEncoder by default -->
+    <encoder>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+    </encoder>
+  </appender>
+
+  <logger name="org.hibernate.validator" level="INFO"/>
+
+  <root level="debug">
+    <appender-ref ref="STDOUT" />
+  </root>
+  
+  
+</configuration>
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