added date/timestamp to the console output (helps debugging hudson/tests). See ZOOKEEPER-45

git-svn-id: https://svn.apache.org/repos/asf/hadoop/zookeeper/trunk@671947 13f79535-47bb-0310-9956-ffa450edef68

conf/log4j.properties

@@ -19,7 +19,7 @@ log4j.rootLogger=DEBUG, CONSOLE
 log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
 log4j.appender.CONSOLE.Threshold=INFO
 log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
-log4j.appender.CONSOLE.layout.ConversionPattern=%-5p - [%t:%C{1}@%L] - %m%n
+log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} - %-5p [%t:%C{1}@%L] - %m%n
 
 #
 # Add ROLLINGFILE to rootLogger to get log file output