Upgrade to Tomcat 7.0.50

Upgrade to Tomcat 7.0.50, working around the potential
NullPointerException by also adding dependencies to
tomcat-embedded-jasper (which is now also required for Hibernate
Validator 5.0, see commit 377953ba)

Fixes gh-245

spring-boot-actuator/pom.xml

@@ -91,6 +91,11 @@
 			<artifactId>tomcat-embed-core</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>org.apache.tomcat.embed</groupId>
+			<artifactId>tomcat-embed-jasper</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.crashub</groupId>
 			<artifactId>crash.embed.spring</artifactId>

spring-boot-autoconfigure/pom.xml

@@ -51,6 +51,11 @@
 			<artifactId>tomcat-embed-core</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>org.apache.tomcat.embed</groupId>
+			<artifactId>tomcat-embed-jasper</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.apache.tomcat</groupId>
 			<artifactId>tomcat-jdbc</artifactId>

spring-boot-dependencies/pom.xml

@@ -50,7 +50,7 @@
 		<thymeleaf.version>2.1.2.RELEASE</thymeleaf.version>
 		<thymeleaf-extras-springsecurity3.version>2.1.1.RELEASE</thymeleaf-extras-springsecurity3.version>
 		<thymeleaf-layout-dialect.version>1.2.1</thymeleaf-layout-dialect.version>
-		<tomcat.version>7.0.47</tomcat.version>
+		<tomcat.version>7.0.50</tomcat.version>
 		<crashub.version>1.3.0-beta14</crashub.version>
 		<jolokia.version>1.1.5</jolokia.version>
 	</properties>

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

@@ -12,43 +12,15 @@
 	<properties>
 		<main.basedir>${basedir}/../..</main.basedir>
 	</properties>
-	<dependencyManagement>
-		<dependencies>
-			<dependency>
-				<groupId>org.apache.tomcat.embed</groupId>
-				<artifactId>tomcat-embed-core</artifactId>
-				<version>${tomcat.version}</version>
-			</dependency>
-			<dependency>
-				<groupId>org.apache.tomcat.embed</groupId>
-				<artifactId>tomcat-embed-logging-juli</artifactId>
-				<version>${tomcat.version}</version>
-			</dependency>
-		</dependencies>
-	</dependencyManagement>
 	<dependencies>
 		<dependency>
 			<groupId>${project.groupId}</groupId>
 			<artifactId>spring-boot-starter-web</artifactId>
 			<version>${project.version}</version>
-			<exclusions>
-				<exclusion>
-					<groupId>${project.groupId}</groupId>
-					<artifactId>spring-boot-starter-tomcat</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-websocket</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>org.apache.tomcat.embed</groupId>
-			<artifactId>tomcat-embed-core</artifactId>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.tomcat.embed</groupId>
-			<artifactId>tomcat-embed-logging-juli</artifactId>
-		</dependency>
 	</dependencies>
 </project>