Updated the Maven GPG and Release plugins from the Sonatype OSS super POM.

Author: oluwasayo

pom.xml

@@ -10,6 +10,12 @@
   <version>1.0-SNAPSHOT</version>
   <packaging>jar</packaging>
 
+  <parent>
+    <groupId>org.sonatype.oss</groupId>
+    <artifactId>oss-parent</artifactId>
+    <version>9</version>
+  </parent>
+
   <name>${project.groupId}:${project.artifactId}</name>
   <description>A lightweight USSD application framework</description>
   <url>http://www.hextremelabs.com/</url>
@@ -89,6 +95,21 @@
   <build>
     <finalName>${project.artifactId}-${project.version}-${scmBranch}-${buildNumber}</finalName>
 
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-gpg-plugin</artifactId>
+          <version>1.6</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-release-plugin</artifactId>
+          <version>2.5.3</version>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+
     <plugins>
       <plugin>
         <groupId>org.jacoco</groupId>