update release configuration

It now matches the currently preferred approach as per http://central.sonatype.org/pages/apache-maven.html

pom.xml

@@ -10,12 +10,6 @@
     </description>
     <url>https://github.com/spotify/dns-java</url>
 
-    <parent>
-        <groupId>org.sonatype.oss</groupId>
-        <artifactId>oss-parent</artifactId>
-        <version>7</version>
-    </parent>
-
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <guava.version>12.0</guava.version>
@@ -107,10 +101,6 @@
             <id>ossrh</id>
             <url>https://oss.sonatype.org/content/repositories/snapshots</url>
         </snapshotRepository>
-        <repository>
-            <id>ossrh</id>
-            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
-        </repository>
     </distributionManagement>
 
     <profiles>
@@ -219,19 +209,6 @@
                             <autoReleaseAfterClose>true</autoReleaseAfterClose>
                         </configuration>
                     </plugin>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-release-plugin</artifactId>
-                        <version>2.5</version>
-                        <configuration>
-                            <tagNameFormat>v@{project.version}</tagNameFormat>
-                            <autoVersionSubmodules>true</autoVersionSubmodules>
-                            <useReleaseProfile>false</useReleaseProfile>
-                            <releaseProfiles>release</releaseProfiles>
-                            <pushChanges>false</pushChanges>
-                            <goals>deploy</goals>
-                        </configuration>
-                    </plugin>
                 </plugins>
             </build>
         </profile>
@@ -333,6 +310,30 @@
                     <repoToken>${coveralls.token}</repoToken>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-release-plugin</artifactId>
+                <version>2.5</version>
+                <configuration>
+                    <tagNameFormat>v@{project.version}</tagNameFormat>
+                    <autoVersionSubmodules>true</autoVersionSubmodules>
+                    <useReleaseProfile>false</useReleaseProfile>
+                    <releaseProfiles>release</releaseProfiles>
+                    <pushChanges>false</pushChanges>
+                    <goals>deploy</goals>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.sonatype.plugins</groupId>
+                <artifactId>nexus-staging-maven-plugin</artifactId>
+                <version>1.6.3</version>
+                <extensions>true</extensions>
+                <configuration>
+                    <serverId>ossrh</serverId>
+                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>