updated parent pom & site publication

Author: hboutemy

pom.xml

@@ -5,7 +5,7 @@
   <parent>
     <groupId>org.codehaus.plexus</groupId>
     <artifactId>plexus</artifactId>
-    <version>3.3.3</version>
+    <version>4.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>plexus-interpolation</artifactId>
@@ -24,10 +24,32 @@
     <system>JIRA</system>
     <url>https://github.com/codehaus-plexus/plexus-interpolation/issues</url>
   </issueManagement>
+  <distributionManagement>
+    <site>
+      <id>github:gh-pages</id>
+      <url>${project.scm.developerConnection}</url>
+    </site>
+  </distributionManagement>
 
 
   <build>
     <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-scm-publish-plugin</artifactId>
+        <configuration>
+          <content>${project.reporting.outputDirectory}</content><!-- mono-module doesn't require site:stage -->
+        </configuration>
+        <executions>
+          <execution>
+            <id>scm-publish</id>
+            <phase>site-deploy</phase><!-- deploy site with maven-scm-publish-plugin -->
+            <goals>
+              <goal>publish-scm</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>