tutorial: remove code formatting examples and just link to documentation.

Those examples make the tutorial feel much longer, and they aren't
relevant to people who aren't using Humbug to talk about code.

(imported from commit c3213775d26cf533b3d9bde691de08a53d427939)

zephyr/static/js/tutorial.js

@@ -188,34 +188,19 @@ function make_script() {
   go2(stream_message, "narrowing", "Another valuable feature of Humbug is **narrowing**. Click on the word \"narrowing\" directly above this message, and tell me when you've done so."),
   go2(wait_for_message, 300, any_message_to_me),
   go(sleep, 1000),
-  go2(stream_message, "narrowing", "Great! We're now only looking at messages on stream `" + my_tutorial_stream + "`, subject `narrowing`. You can tell because the background is grey, and the search bar at the top has a query in it. You can narrow on many different types of things, including:\n"
+  go2(stream_message, "narrowing", "Great! We're now only looking at messages on stream `" + my_tutorial_stream + "`, subject `narrowing`. You can tell because the background is grey, and the search bar at the top has a query in it. You can narrow on:\n"
    + "* A specific stream, by clicking on the stream name\n"
    + "* A specific stream-subject pair, by clicking on the subject name (like we just did)\n"
    + "* Private messages with a specific person\n\n"
    + "Press `Esc` to get out of this narrowed view, scroll down to the bottom, and tell me when you've done so.\n"),
   go2(wait_for_message, 300, any_message_to_me),
   go(sleep, 1000),
-  go2(stream_message, "tutorial", "You've got a hang of the basics, so let's talk about some advanced features.\nThe first: code."),
+  go2(stream_message, "tutorial", "Great, you've got the hang of the basics. There are a bunch of other features I'd love to tell you about that we don't have time for, but look into these later:\n"
-  go(sleep, 5000),
-  // Markdown
-  go2(stream_message, "tutorial", "Humbug makes it easy to send syntax-highlighted code blocks. Just surround the block in three `~`s and the extension for your programming language, and you get something pretty, like this:\n\n"
-    + "~~~~~ .py\n"
-    + "~~~ .py\n"
-    + "def foo(arg):\n"
-    + "    print 'Hello'\n"
-    + "~~~\n"
-    + "~~~~~"),
-  go(sleep, 7000),
-  go2(stream_message, "tutorial", "You can also do inline preformatted text by surrounding it in `` `s. Finally, there's also more formatting help that you can see by clicking the 'Formatting' link in the new message box."),
-  go(sleep, 6000),
-  go2(stream_message, "tutorial", "(Tell me when you're ready to continue.)"),
-  go2(wait_for_message, 300, any_message_to_me),
-  go(sleep, 1000),
-  go2(stream_message, "tutorial", "There are a bunch of other features I'd love to tell you about that we don't have time for, but look into these later:\n"
     + "* Keyboard shortcuts (press `?` to see them)\n"
-    + "* Our [API](https://humbughq.com/api)\n"
+    + "* Message formatting, including pretty syntax-highlighting. Click on the 'Message formatting' link under the gear icon at the top right to learn more\n"
-    + "* Our [integrations](https://humbughq.com/integrations) with popular services like GitHub, Jenkins, etc.\n"
+    + "* Our [API](https://humbughq.com/api) and [integrations](https://humbughq.com/integrations) with popular services like GitHub, Jenkins, etc.\n"
-    + '* Alpha mobile apps for [Android](https://play.google.com/store/apps/details?id=com.humbughq.mobile) and (by request) [iPhone](mailto:support@humbughq.com?subject=Request+for+Humbug+iPhone+app&body=Hi+Humbug,+can+you+send+me+a+link+to+the+iPhone+app+alpha?+I+have+an+iPhone+__.)'),
+    + '* Alpha mobile apps for [Android](https://play.google.com/store/apps/details?id=com.humbughq.mobile) and (by request) [iPhone](mailto:support@humbughq.com?subject=Request+for+Humbug+iPhone+app&body=Hi+Humbug,+can+you+send+me+a+link+to+the+iPhone+app+alpha?+I+have+an+iPhone+__.)\n'
+    + "* Feedback! Found a bug or have a feature request? We want to hear from you. Click on the feedback tab under the gear icon to get in touch."),
   go(sleep, 4000),
   go2(stream_message, "tutorial", "(Tell me when you're ready to continue.)"),
   go2(wait_for_message, 300, any_message_to_me),