TEZ-4314: Fix some plugin versions in site generation (#131)

diff --git a/docs/pom.xml b/docs/pom.xml
index d3bd5cf..0d55177 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -467,6 +467,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-site-plugin</artifactId>
+          <version>2.4</version>
           <configuration>
             <outputDirectory>./target</outputDirectory>
           </configuration>
@@ -487,6 +488,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-project-info-reports-plugin</artifactId>
+          <version>3.1.2</version>
           <configuration>
             <customBundle>${project.basedir}/src/site/custom/project-info-report.properties</customBundle>
             <dependencyLocationsEnabled>false</dependencyLocationsEnabled>
@@ -494,10 +496,10 @@
           <reportSets>
             <reportSet>
               <reports>
-                <report>project-team</report>
-                <report>mailing-list</report>
-                <report>issue-tracking</report>
-                <report>license</report>
+                <report>team</report>
+                <report>mailing-lists</report>
+                <report>issue-management</report>
+                <report>licenses</report>
               </reports>
             </reportSet>
           </reportSets>