Add install button

Author: njbartlett

installation.html

@@ -111,6 +111,19 @@ <h2>Via Update Site</h2>
         <h1>Eclipse Marketplace</h1>
     </div>
 
+    <div class="row">
+        <div class="small-12 columns">
+            <p>
+                Drag and drop this install button onto your running Eclipse: <a href="http://marketplace.eclipse.org/marketplace-client-intro?mpc_install=1220" class="drag" title="Drag to your running Eclipse workspace. NB: Requires Eclipse Marketplace Client"><img class="img-responsive" src="https://marketplace.eclipse.org/sites/all/themes/solstice/public/images/marketplace/btn-install.png" alt="Drag to your running Eclipse workspace. NB: Requires Eclipse Marketplace Client"/></a>
+            </p>
+        </div>
+    </div>
+
+    <div class="row">
+        <div class="small-12 columns text-center"><h2>&#8230; OR &#8230;</h2></div>
+    </div>
+    <hr/>
+    
     <div class="row">
         <div class="small-1 columns"><h2>1.</h2></div>
         <div class="small-4 columns"><img src="/images/installation/mplace01.png" class="thumbnail"/></div>
@@ -206,7 +219,7 @@ <h1>Installing Development or Older Versions</h1>
                 <td><strong>NB</strong>: This build tracks the very latest version of the code, and is likely to be unstable or contain experimental features. <br/> <code>https://bndtools.ci.cloudbees.com/job/bndtools.master/lastSuccessfulBuild/artifact/build/generated/p2/</code></td>
             </tr>
             <tr>
-                <td><strong>Current Release 3.4.0</strong> (25 Jul 2017)</td>
+                <td><strong>Current Release 3.4.0</strong> (25 Jul 2016)</td>
                 <td><code>https://dl.bintray.com/bndtools/bndtools/3.4.0/</code></td>
             </tr>
             <tr>