Added expiration time check for member invitation.

Change-Id: Id119811e7cae6e9418d29618bd89e4f6812bc95a
diff --git a/full/src/main/resources/log4j.properties b/full/src/main/resources/log4j.properties
index 352062e..e688b81 100644
--- a/full/src/main/resources/log4j.properties
+++ b/full/src/main/resources/log4j.properties
@@ -6,7 +6,7 @@
 
 #log4j.logger.de.ids_mannheim.korap.service.VirtualCorpusService = error, debugLog
 #log4j.logger.de.ids_mannheim.korap.web.controller.AuthenticationController = debug, debugLog, stdout
-#log4j.logger.de.ids_mannheim.korap.resource.rewrite.CollectionRewrite= stdout, debugLog
+#log4j.logger.de.ids_mannheim.korap.service.UserGroupService= stdout, debugLog
 
 # Direct log messages to stdout
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender