Update Boot sample to use Redis Starter

Fixes gh-125

docs/src/docs/asciidoc/guides/boot.adoc

@@ -20,9 +20,12 @@ If you are using Maven, ensure to add the following dependencies:
 
 	<dependency>
 		<groupId>org.springframework.session</groupId>
-		<artifactId>spring-session-data-redis</artifactId>
+		<artifactId>spring-session</artifactId>
 		<version>{spring-session-version}</version>
-		<type>pom<type>
+	</dependency>
+	<dependency>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-redis</artifactId>
 	</dependency>
 </dependencies>
 ----

samples/boot/build.gradle

@@ -16,7 +16,8 @@ tasks.findByPath("artifactoryPublish")?.enabled = false
 group = 'samples'
 
 dependencies {
-	compile project(':spring-session-data-redis'),
+	compile project(':spring-session'),
+			"org.springframework.boot:spring-boot-starter-redis",
 			"org.springframework.boot:spring-boot-starter-web",
 			"org.springframework.boot:spring-boot-starter-thymeleaf",
 			"redis.embedded:embedded-redis:$embeddedRedisVersion",