Merge remote branch 'origin/0.8' into trunk

config/log4j.properties

@@ -12,7 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-log4j.rootLogger=OFF, stdout 
+log4j.rootLogger=INFO, stdout 
 
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
@@ -42,7 +42,7 @@ log4j.appender.requestAppender.layout.ConversionPattern=[%d] %p %m (%c)%n
 #log4j.logger.kafka.perf=DEBUG, kafkaAppender
 #log4j.logger.kafka.perf.ProducerPerformance$ProducerThread=DEBUG, kafkaAppender
 #log4j.logger.org.I0Itec.zkclient.ZkClient=DEBUG
-log4j.logger.kafka=ERROR
+log4j.logger.kafka=INFO
 
 log4j.logger.kafka.network.RequestChannel$=TRACE, requestAppender
 log4j.additivity.kafka.network.RequestChannel$=false