Configure the GPG plugin to sign with the correct key

Author: mmoqui

pom.xml

@@ -142,6 +142,10 @@
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-gpg-plugin</artifactId>
           <version>1.6</version>
+          <configuration>
+            <keyname>${gpg.keyname}</keyname>
+            <passphraseServerId>${gpg.keyname}</passphraseServerId>
+          </configuration>
         </plugin>
         <plugin>
           <groupId>com.mycila</groupId>