Merge pull request #5 from aernlund/docs_timeline_headings

added headers to timeline, address issue #4

docs/timeline.md

@@ -2,6 +2,7 @@
 
 [PyData London 2016 YouTube Video](https://youtu.be/gSVvxOchT8Y)
 
+## Introduction to Jupyter notebooks and JupyterHub 
 
 0:00:00 Welcome and Intro
 
@@ -11,6 +12,8 @@
 
 0:03:00 What is a Notebook Server?
 
+## Overview of JupyterHub
+
 0:04:17 JupyterHub
 
 0:05:41 Login
@@ -23,6 +26,8 @@
 
 0:07:17 Browser to ask hub for auth
 
+## Installation of JupyterHub
+
 0:07:56 Installation (as admin)
 
 0:10:44 Installation (this repo)
@@ -36,6 +41,8 @@
 
 0:13:38 Installation docker (covered later on)
 
+## Configuring JupyterHub
+
 0:14:18 JupyterHub Defaults
 
 - Default behavior
@@ -63,6 +70,8 @@
 - login, spawn server, redirect
 - control panel 0:21:20
 
+## Assign
+
 0:21:52 Installing kernels for all users
 
 0:24:15 Using GitHub OAuth