PIG-5126. Add doc about pig in zeppelin

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1782728 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/docs/src/documentation/content/xdocs/site.xml b/src/docs/src/documentation/content/xdocs/site.xml
index 1f6a9dd..b11d913 100644
--- a/src/docs/src/documentation/content/xdocs/site.xml
+++ b/src/docs/src/documentation/content/xdocs/site.xml
@@ -48,6 +48,7 @@
     <cmds label="Shell and Utililty Commands" href="cmds.html" />
     <perform label="Performance and Efficiency" href="perf.html" />
     <test label="Testing and Diagnostics" href="test.html" />
+    <v_editors label="Visual Editors" href="v_editors.html"/>
     <admin label="Administration" href="admin.html" />
     <index label="Index" href="pig-index.html" />
     </docs>  
diff --git a/src/docs/src/documentation/content/xdocs/v_editors.xml b/src/docs/src/documentation/content/xdocs/v_editors.xml
new file mode 100644
index 0000000..2ec9774
--- /dev/null
+++ b/src/docs/src/documentation/content/xdocs/v_editors.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with
+  the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+-->
+
+<!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V2.0//EN" "http://forrest.apache.org/dtd/document-v20.dtd">
+
+<document>
+    <header>
+        <title>Visual Editors</title>
+    </header>
+    <body>
+
+        <!-- ====================================================================== -->
+        <!-- v_editors-->
+        <section id="zeppelin">
+            <title>Running Pig in Apache Zeppelin</title>
+
+            <p><a href="https://zeppelin.apache.org/">Apache Zeppelin</a> is a web-based notebook that enables interactive data analytics. Pig is supported as a backend interpreter in Zeppelin starting from version 0.7. </p>
+            <p>User can do all the things in zeppelin as you do in grunt shell. Besides, you can take advantage of Zeppelin's visualization feature to visualize the Pig output. Here's 2 links for how to configure Pig in Zeppelin and how to run Pig script in Zeppelin.</p>
+
+            <ul>
+                <li>
+                    <a href="https://zeppelin.apache.org/docs/latest/interpreter/pig.html">https://zeppelin.apache.org/docs/latest/interpreter/pig.html</a>
+                </li>
+                <li>
+                    <a href="https://cwiki.apache.org/confluence/display/ZEPPELIN/Running+Pig+in+Apache+Zeppelin">https://cwiki.apache.org/confluence/display/ZEPPELIN/Running+Pig+in+Apache+Zeppelin</a>
+                </li>
+            </ul>
+
+            <p><strong>Screenshot of running Pig in Zeppelin</strong> </p>
+            <p><img alt="Pig in zeppelin" src="images/pig_zeppelin.png" title="Pig in zeppelin"></img></p>
+
+        </section>
+    </body>
+</document>
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diff --git a/src/docs/src/documentation/resources/images/pig_zeppelin.png b/src/docs/src/documentation/resources/images/pig_zeppelin.png
new file mode 100644
index 0000000..eb0bbc2
--- /dev/null
+++ b/src/docs/src/documentation/resources/images/pig_zeppelin.png
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