Add javax.servlet dependency to samples

Author: pitbulk

samples/java-saml-tookit-jspsample/pom.xml

@@ -16,6 +16,12 @@
 			<artifactId>java-saml</artifactId>
 			<version>${project.version}</version>
 		</dependency>
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>javax.servlet-api</artifactId>
+			<version>3.1.0</version>
+			<scope>provided</scope>
+		</dependency>
 	</dependencies>
 
 </project>