Use Node.js logo in kernel spec

Closes n-riesco#56

bin/ijavascript.js

@@ -294,9 +294,10 @@ function installKernelAsync(context, callback) {
     fs.writeFileSync(specFile, JSON.stringify(spec));
 
     // Copy logo files
-    var logo32Src = path.join(context.path.images, "logo-32x32.png");
+    var logoDir = path.join(context.path.images, "nodejs");
+    var logo32Src = path.join(logoDir, "js-green-32x32.png");
     var logo32Dst = path.join(specDir, "logo-32x32.png");
-    var logo64Src = path.join(context.path.images, "logo-64x64.png");
+    var logo64Src = path.join(logoDir, "js-green-64x64.png");
     var logo64Dst = path.join(specDir, "logo-64x64.png");
     copyAsync(logo32Src, logo32Dst, function() {
         copyAsync(logo64Src, logo64Dst, function() {

images/nodejs/LICENSE

@@ -0,0 +1,23 @@
+The original contents of the nodejs.org repo are licensed for use as follows:
+
+"""
+Copyright node.js Website WG contributors. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to
+deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+"""

images/nodejs/README.md

@@ -0,0 +1,14 @@
+# Trademark notice
+
+Node.js is a trademark of Joyent, Inc. and is used with its permission. We are
+not endorsed by or affiliated with Joyent. 
+
+# Files
+
+## From the repository for the Node.js website
+- [LICENSE](https://github.com/nodejs/nodejs.org/blob/master/LICENSE)
+- [js-green.svg](https://github.com/nodejs/nodejs.org/blob/master/static/images/logos/js-green.svg)
+
+## Generated using [rsvg-convert](http://live.gnome.org/LibRsvg)
+- [js-green-32x32.png](js-green-32x32.png)
+- [js-green-64x64.png](js-green-64x64.png)