Add Juno (BFT variant) implementation

Close raft#50: "add Juno?"

index.html

@@ -1034,6 +1034,21 @@ <h3>Where can I get Raft?</h3>
   <td></td>
   <td>2013-09-02</td>
 </tr>
+<tr>
+  <td><a href="https://github.com/buckie/juno">Juno</a> (BFT variant of Raft)</td>
+  <td>
+    <a href="http://twitter.com/bschroed">Brian Schroeder</a>,
+    <a href="https://github.com/libby">Libby Kent</a>,
+    <a href="https://twitter.com/SirLensALot">Stuart Popejoy</a>,
+    <a href="http://github.com/buckie">Will Martino</a>.
+  </td>
+  <td>Haskell</td>
+  <td>BSD</td>
+  <td></td>
+  <td></td>
+  <td></td>
+  <td>2016-06-02</td>
+</tr>
 <tr>
   <td><a href="https://github.com/NicolasT/kontiki">kontiki</a></td>
   <td><a href="https://twitter.com/eikke">Nicolas Trangez</a></td>