pom.xml: update servlet-api to 3.1.0.

No functional changes.

Author: php-coder

pom.xml

@@ -23,7 +23,6 @@
 		<subethasmtp.version>3.1.7</subethasmtp.version>
 		<aspectj.version>1.8.5</aspectj.version>
 		<javax.validation.version>1.1.0.Final</javax.validation.version>
-		<servlet.api.version>3.0.20100224</servlet.api.version>
 		<commons.lang.version>3.4</commons.lang.version>
 		<commons.io.version>2.4</commons.io.version>
 		<thymeleaf.togglz.version>1.0.1.RELEASE</thymeleaf.togglz.version>
@@ -74,6 +73,7 @@
 		<jetty.version>9.2.11.v20150529</jetty.version>
 		<h2.version>1.4.191</h2.version>
 		<mysql.version>5.1.38</mysql.version>
+		<servlet-api.version>3.1.0</servlet-api.version>
 		<slf4j.version>1.7.19</slf4j.version>
 		<spock.version>1.0-groovy-2.0</spock.version>
 		<spring-data-releasetrain.version>Dijkstra-SR4</spring-data-releasetrain.version>
@@ -184,9 +184,9 @@
 		</dependency>
 
 		<dependency>
-			<groupId>org.mortbay.jetty</groupId>
-			<artifactId>servlet-api</artifactId>
-			<version>${servlet.api.version}</version>
+			<groupId>javax.servlet</groupId>
+			<artifactId>javax.servlet-api</artifactId>
+			<version>${servlet-api.version}</version>
 			<scope>provided</scope>
 		</dependency>
 
@@ -469,10 +469,6 @@
 						@see https://github.com/spring-projects/spring-boot/issues/650
 					-->
 					<excludes>
-						<exclude>
-							<groupId>org.mortbay.jetty</groupId>
-							<artifactId>servlet-api</artifactId>
-						</exclude>
 						<exclude>
 							<groupId>org.projectlombok</groupId>
 							<artifactId>lombok</artifactId>