added parent to pom file

Author: daniel-sanche

cdn/signed-urls/pom.xml

@@ -7,6 +7,16 @@
   <version>1.0</version>
   <packaging>jar</packaging>
 
+  <!--
+  The parent pom defines common style checks and testing strategies for our samples.
+  Removing or replacing it should not affect the execution of the samples in anyway.
+  -->
+  <parent>
+    <groupId>com.google.cloud.samples</groupId>
+    <artifactId>shared-configuration</artifactId>
+    <version>1.0.8</version>
+  </parent>
+
   <name>signedurls</name>
   <url>http://maven.apache.org</url>