Added javascript extension which is supposed to add sliders for numbe…

…rs in code blocks, but it is not yet working for some reason.

ipython-inlets.js

@@ -0,0 +1,39 @@
+console.info('iPython Inlets script loaded...');
+
+;(function(IPython, $, require, element){
+  'use strict';
+  // this would be replaced with `nbextensions/inlet`
+  var url_base = '//enjalot.github.io/Inlet';
+
+  // add the style (for the slider)
+  $(element).append($('<style/>')
+    .text('@import url("' + url_base + '/inlet.css")'));
+
+  // at present, inlet exposes one global: `Inlet`
+  require.config({
+    paths: {inlet: url_base + '/inlet'},
+    shim: {inlet: {exports: 'Inlet'}}
+  });
+
+  require(["inlet", "underscore"], function(inlet, _){
+    $([IPython.events])
+      .on('edit_mode.Cell', function(evt, data){
+        var cell = data.cell,
+          cm = data.cell.code_mirror;
+        if(cm._inletted){ return; }
+
+        cm._inletted = true;
+
+        inlet(cm);
+
+        cm.on("change", _.debounce(
+          function(cm, delta){
+            if(!delta.origin && data.cell.execute){
+              data.cell.execute();
+            }
+          },
+          300
+        ));
+      });
+  });
+}).call(this, IPython, jQuery, require, element);