Added KI logo.

src/Header.react.js

@@ -1,5 +1,6 @@
 var React = require('react/addons');
 var remote = require('remote');
+var RetinaImage = require('react-retina-image');
 
 var Header = React.createClass({
   getInitialState: function () {
@@ -43,6 +44,7 @@ var Header = React.createClass({
             <div className="button button-minimize yellow disabled"></div>
             <div className="button button-fullscreenclose green enabled" onClick={this.handleFullscreen}></div>
           </div>
+          <RetinaImage className="logo" src="logo.png"/>
         </div>
       );
     } else {
@@ -53,6 +55,7 @@ var Header = React.createClass({
             <div className="button button-minimize yellow enabled" onClick={this.handleMinimize}></div>
             <div className="button button-fullscreen green enabled" onClick={this.handleFullscreen}></div>
           </div>
+          <RetinaImage className="logo" src="logo.png"/>
         </div>
       );
     }

styles/header.less

@@ -13,6 +13,14 @@
     -webkit-app-region: no-drag;
   }
 
+  .logo {
+    position: relative;
+    float: right;
+    top: 10px;
+    right: 10px;
+    z-index: 1000;
+  }
+
   .buttons {
     display: inline-block;
     position: relative;