Updating maven-shade-plugin to 2.4.2 and adding <id> to maven-jar-plugin

Change-Id: Ib57cad10a5b133c2f0da368c3e940c0aaa7d0cc6
diff --git a/pom.xml b/pom.xml
index e9d2a65..dc3384f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -598,7 +598,7 @@
                     </configuration>
                     <executions>
                         <execution>
-                            <phase>package</phase>
+                            <id>default</id>
                             <goals>
                                 <goal>test-jar</goal>
                             </goals>
@@ -622,7 +622,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-shade-plugin</artifactId>
-                    <version>2.3</version>
+                    <version>2.4.2</version>
                 </plugin>
 
                 <plugin>