Ensure logging initializer listens to the right event

This should make a difference to gh-196. It might even fix it
(depending on what snapshot the user had there).

spring-boot-samples/spring-boot-sample-web-ui/src/main/resources/logback.xml

@@ -1,18 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
-	<property name="CONSOLE_LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %5p ${PID:- } [%t] --- %-40.40logger{39} : %m%n%wex"/>
 
-	<conversionRule conversionWord="wex" converterClass="org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter" />
-
-	<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
-		<encoder>
-			<pattern>${CONSOLE_LOG_PATTERN}</pattern>
-		</encoder>
-	</appender>
-
-	<root level="INFO">
-		<appender-ref ref="CONSOLE" />
-	</root>
+	<include resource="org/springframework/boot/logging/logback/base.xml"/>	
 	
 	<!-- logger name="org.springframework" level="DEBUG"/-->
 	

spring-boot/src/main/java/org/springframework/boot/context/listener/LoggingApplicationListener.java

@@ -26,7 +26,6 @@ import java.util.Map;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.springframework.boot.SpringApplication;
-import org.springframework.boot.SpringApplicationBeforeRefreshEvent;
 import org.springframework.boot.SpringApplicationEnvironmentAvailableEvent;
 import org.springframework.boot.SpringApplicationStartEvent;
 import org.springframework.boot.logging.LogLevel;
@@ -97,7 +96,7 @@ public class LoggingApplicationListener implements SmartApplicationListener {
 	private static Collection<Class<? extends ApplicationEvent>> EVENT_TYPES = Arrays
 			.<Class<? extends ApplicationEvent>> asList(
 					SpringApplicationStartEvent.class,
-					SpringApplicationBeforeRefreshEvent.class);
+					SpringApplicationEnvironmentAvailableEvent.class);
 
 	private final Log logger = LogFactory.getLog(getClass());