Added jax-rs specific dependencies

HelloRestEasy-pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
                      http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>org.resteasy</groupId>
  <artifactId>HelloRestEasy</artifactId>
  <version>1</version>
  <packaging>war</packaging>
   <properties>
   		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   		<jackson.version>1.9.2</jackson.version>
   		<jaxrs.version>1.1.1</jaxrs.version>
   		<servlet.api.version>2.5</servlet.api.version>
   </properties>
  <dependencies>
		<dependency>
			<groupId>org.codehaus.jackson</groupId>
			<artifactId>jackson-jaxrs</artifactId>
			<version>${jackson.version}</version>
		</dependency>
		<dependency>
			<groupId>javax.ws.rs</groupId>
			<artifactId>jsr311-api</artifactId>
			<version>${jaxrs.version}</version>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>${servlet.api.version}</version>
			<scope>provided</scope>
		</dependency>
  </dependencies>
  <build>
  	<plugins>
  		<plugin>
  			<groupId>org.apache.maven.plugins</groupId>
          	<artifactId>maven-compiler-plugin</artifactId>
          	<version>3.1</version>
          	<configuration>
            	<source>1.7</source>
            	<target>1.7</target>
          	</configuration>
  		</plugin>
  	</plugins>
  </build>
</project>