Add snakeyaml to spring-boot-starter

Fixes gh-366

spring-boot-samples/spring-boot-sample-profile/pom.xml

@@ -17,11 +17,6 @@
 			<groupId>${project.groupId}</groupId>
 			<artifactId>spring-boot-starter</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.yaml</groupId>
-			<artifactId>snakeyaml</artifactId>
-			<scope>runtime</scope>
-		</dependency>
 		<dependency>
 			<groupId>${project.groupId}</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

spring-boot-starters/spring-boot-starter/pom.xml

@@ -27,5 +27,10 @@
 			<artifactId>spring-boot-starter-logging</artifactId>
 			<version>${project.version}</version>
 		</dependency>
+		<dependency>
+			<groupId>org.yaml</groupId>
+			<artifactId>snakeyaml</artifactId>
+			<scope>runtime</scope>
+		</dependency>
 	</dependencies>
 </project>