change snapshot update policy

samples/helloworld/pom.xml

@@ -88,6 +88,7 @@
 			<id>spring-maven-snapshot</id>
 			<snapshots>
 				<enabled>true</enabled>
+				<updatePolicy>always</updatePolicy>
 			</snapshots>
 			<name>Springframework Maven SNAPSHOT Repository</name>
 			<url>http://maven.springframework.org/snapshot</url>

samples/helloworld/src/main/java/org/springframework/shell/samples/helloworld/commands/MyHistoryFileNameProvider.java

@@ -36,7 +36,7 @@ public class MyHistoryFileNameProvider extends DefaultHistoryFileNameProvider{
 
 	@Override
 	public String name() {
-		return "my banner provider";
+		return "my history file name provider";
 	}
 	
 }

samples/helloworld/src/main/java/org/springframework/shell/samples/helloworld/commands/MyPromptProvider.java

@@ -37,7 +37,7 @@ public class MyPromptProvider extends DefaultPromptProvider {
 	
 	@Override
 	public String name() {
-		return "my banner provider";
+		return "my prompt provider";
 	}
 
 }