title: include of header and footer in ejs file not working
body: <p>guys I'm working on a node/express app in cloud 9. <a href="https://webdevcamp-miatech.c9users.io/" rel="nofollow noreferrer">https://webdevcamp-miatech.c9users.io/</a> however, the include files in my home.ejs file are not working. I have a header.ejs and footer.ejs which I'm including into my home.ejs file. But when I go call the default route "/" home. It gives me. Here's the app on c9.io <a href="https://ide.c9.io/miatech/webdevcamp" rel="nofollow noreferrer">https://ide.c9.io/miatech/webdevcamp</a>
  this error message.</p>
  
  <pre><code>Error: Could not find include include file.
      at getIncludePath (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:152:13)
      at includeSource (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:276:17)
      at /home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:629:26
      at Array.forEach (native)
      at Object.generateSource (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:605:15)
      at Object.compile (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:509:12)
      at Object.compile (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:358:16)
      at handleCache (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:201:18)
      at tryHandleCache (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:223:14)
      at View.exports.renderFile [as engine] (/home/ubuntu/workspace/EJSDemo/node_modules/ejs/lib/ejs.js:437:10)
  </code></pre>
  
  <p>If I remove the include of footer and header from home.ejs it gets fixed. So It has to be either the way I'm including it or the path. If anyone can help. Thanks
  home.ejs</p>
  
  <pre><code>&lt;% include ./partials/header %&gt;
  &lt;h1&gt;Hello World&lt;/h1&gt;
  &lt;img src="http://lorempixel.com/400/200/"&gt;
  &lt;% include ./partials/footer %&gt;
  </code></pre>
  
  <p>header.ejs</p>
  
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
      &lt;title&gt;EJSDemo&lt;/title&gt;
      &lt;link rel="stylesheet" type="text/css" href="/app.css"&gt;
  &lt;/head&gt;
  &lt;body&gt;
  </code></pre>
  
  <p>footer.ejs</p>
  
  <pre><code>        &lt;p&gt;trademark 2018&lt;/p&gt;
      &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>finally my app.js</p>
  
  <pre><code>var express = require("express");
  var app = express();
  
  //tell express to serve the content of public dir
  app.use(express.static("public"));
  app.set("view engine", "ejs");
  
  //default app route
  app.get("/", function(req, res) {
      res.render("home.ejs");
  });
  
  // /fallinlove route
  app.get("/fallinlove/:thing", function(req, res) {
      var thing = req.params.thing;
      //rendering love.ejs and passing variable to template
      res.render("love.ejs", {thingVar:thing});
  });
  
  // /post route
  app.get("/posts", function(req, res) {
      var posts = [
              {title: "Post 1 ", author: "Charlie"},
              {title: "My adorable pet bunny", author: "Susy"},
              {title: "Can you believe this pomsky?", author: "Colt"}
          ]
      res.render("posts.ejs", {posts: posts});
  });
  
  
  //start server
  app.listen(process.env.PORT, process.env.IP, function() {
      console.log("server started!..");
  });
  </code></pre>