test: fix logging in example apps (apache#1168)

Author: matrei

plugin-acl/examples/functional-test-app/grails-app/conf/logback.xml

@@ -37,7 +37,7 @@
     </root>
 
     <logger name="grails.plugin.springsecurity.acl" level="INFO" />
-    <logger name="org.springframework.security" level="trace" additivity="false">
+    <!-- logger name="org.springframework.security" level="trace" additivity="false">
         <appender-ref ref="STDOUT" />
-    </logger>
+    </logger -->
 </configuration>

plugin-ldap/examples/custom-user-details-context-mapper/grails-app/conf/logback-spring.xml

@@ -38,7 +38,7 @@
     </root>
 
     <springProfile name="development">
-        <logger name="StackTrace" level="ERROR" additivity="false" />
+        <logger name="StackTrace" level="ERROR" />
 
         <!--        <logger name="com.example" level="DEBUG"/>-->
 

plugin-ldap/examples/functional-test-app/grails-app/conf/logback-spring.xml

@@ -37,10 +37,10 @@
         <appender-ref ref="CONSOLE"/>
     </root>
 
-    <logger name="grails.ldap.server" level="TRACE" additivity="false" />
+    <logger name="grails.ldap.server" level="TRACE" />
 
     <springProfile name="development">
-        <logger name="StackTrace" level="ERROR" additivity="false" />
+        <logger name="StackTrace" level="ERROR" />
 
         <!--        <logger name="com.example" level="DEBUG"/>-->
 
@@ -52,7 +52,7 @@
     </springProfile>
 
     <springProfile name="test">
-        <logger name="StackTrace" level="ERROR" additivity="false" />
+        <logger name="StackTrace" level="ERROR" />
     </springProfile>
 
     <!--    logging to a file-->

plugin-ldap/examples/retrieve-group-roles/grails-app/conf/logback-spring.xml

@@ -38,7 +38,7 @@
     </root>
 
     <springProfile name="development">
-        <logger name="StackTrace" level="ERROR" additivity="false" />
+        <logger name="StackTrace" level="ERROR" />
 
         <!--        <logger name="com.example" level="DEBUG"/>-->