Updated team page. (yusaku)

docs/pom.xml

@@ -433,7 +433,7 @@
         <developer>
             <id>kzhang</id>
             <name>Kan Zhang</name>
-            <email>kanzhangmail@yahoo.com</email>
+            <email>kzhang@apache.org</email>
             <timezone>-8</timezone>
             <roles>
                 <role>PMC</role>