changes to event handling
adding data-modeling examples link
first beginnings of a channels poll
first beginnings of a channels poll
updated channel poll, todo write the data back
added voting infrastructrue
channel selection
channels: fixed refreshes, server request for add, local increment, visual hint for vote-success
using setInterval for poll data update
work in progress on tracks
Merge branch 'master' of github.com:neo3j-contrib/neo4j-org

Conflicts:
	app.js
	public/assets/css/neo.css
	views/learn/try.ejs