proper fix for uncomment html challenge, improved codemirror performance

public/js/lib/coursewares/coursewaresHCJQFramework_0.1.5.js

@@ -60,10 +60,11 @@ var otherTestsForNow = "<script src='/js/lib/coursewares/iFrameScripts_0.0.2.js'
 
 var delay;
 // Initialize CodeMirror editor with a nice html5 canvas demo.
-editor.on("keypress", function () {
+editor.on("keyup", function () {
   clearTimeout(delay);
   delay = setTimeout(updatePreview, 300);
 });
+
 var nodeEnv = prodOrDev === 'production' ? 'http://www.freecodecamp.com' : 'http://localhost:3001';
 function updatePreview() {
   goodTests = 0;

seed_data/challenges/basic-html5-and-css.json

@@ -90,8 +90,7 @@
         "Uncomment the <code>h1</code>, <code>h2</code> and <code>p</code> elements.",
         "Commenting is a way that you can leave comments within your code without affecting the code itself.",
         "Commenting is also a convenient way to make code inactive without having to delete it entirely.",
-        "You can start a comment with <code>&#60;!--</code> and end a comment with <code>--&#62;</code>.",
-        "Lastly, someone's made a typo on one of the tags. Go ahead and fix it!"
+        "You can start a comment with <code>&#60;!--</code> and end a comment with <code>--&#62;</code>."
       ],
       "tests": [
         "assert($('h1').length > 0, 'The h1 element should not be commented. It should be visible in the browser.')",
@@ -102,7 +101,7 @@
         "<!--",
         "<h1>Hello World</h1>",
         "",
-        "<h>CatPhotoApp</h2>",
+        "<h2>CatPhotoApp</h2>",
         "",
         "<br/>",
         "",

views/coursewares/showHTML.jade

@@ -91,4 +91,4 @@ block content
                             .animated.zoomInDown.delay-half
                                 span.completion-icon.ion-checkmark-circled.text-primary
                             a.animated.fadeIn.btn.btn-lg.signup-btn.btn-block(href='/login') Sign in so you can save your progress
-    script(src="/js/lib/coursewares/coursewaresHCJQFramework_0.1.4.js")
+    script(src="/js/lib/coursewares/coursewaresHCJQFramework_0.1.5.js")