Updated contributor list. (yusaku)

docs/pom.xml

@@ -832,6 +832,10 @@
           <name>Giridharan Kesavan</name>
           <organization>Hortonworks</organization>
         </contributor>
+        <contributor>
+          <name>Pallav Kulshreshtha</name>
+          <organization>Hortonworks</organization>
+        </contributor>
         <contributor>
           <name>Olivier Lamy</name>
           <organization></organization>
@@ -972,6 +976,10 @@
           <name>Ram Venkatesh</name>
           <organization>Hortonworks</organization>
         </contributor>
+        <contributor>
+          <name>Aravindan Vijayan</name>
+          <organization>Hortonworks</organization>
+        </contributor>
         <contributor>
           <name>Ivan Wang</name>
           <organization>Pivotal</organization>