Minor cleanup.

pom.xml

@@ -16,7 +16,8 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
 
   <parent>
@@ -79,7 +80,7 @@
 
   <issueManagement>
     <system>GitHub Issues</system>
-    <url>https://github.com/oshoukry/openpojo/issues</url>
+    <url>https://github.com/OpenPojo/openpojo/issues</url>
   </issueManagement>
 
   <properties>
@@ -95,6 +96,7 @@
     <log4j.version>1.2.17</log4j.version>
     <maven-deploy-plugin.version>2.8</maven-deploy-plugin.version>
     <maven-javadoc-plugin.version>2.10.4</maven-javadoc-plugin.version>
+    <maven-release-plugin.version>2.1</maven-release-plugin.version>
     <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
     <skipTests>false</skipTests>
     <slf4j.version>1.7.26</slf4j.version>
@@ -175,7 +177,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
-        <version>2.1</version>
+        <version>${maven-release-plugin.version}</version>
         <configuration>
           <arguments>-Psonatype-oss-release,openpojo-release</arguments>
         </configuration>