Add hibernate-validator to spring-boot-starter-web

Fixes gh-616

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

@@ -39,10 +39,6 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-remote-shell</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.hibernate</groupId>
-			<artifactId>hibernate-validator</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>

spring-boot-samples/spring-boot-sample-web-ui/pom.xml

@@ -23,10 +23,6 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-thymeleaf</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.hibernate</groupId>
-			<artifactId>hibernate-validator</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

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

@@ -30,6 +30,10 @@
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.hibernate</groupId>
+			<artifactId>hibernate-validator</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-web</artifactId>