Update release plugin to Apache compatible version

Change-Id: Ic89ffc6f8276737cdb079287909f9fd294c7d985
Reviewed-on: https://asterix-gerrit.ics.uci.edu/370
Reviewed-by: Ian Maxon <imaxon@apache.org>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/pom.xml b/pom.xml
index 91d44c4..5711f2f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -99,7 +99,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
-        <version>2.1</version>
+        <version>2.5.2</version>
         <configuration>
             <goals>package source:jar javadoc:jar deploy:deploy</goals>
         </configuration>