Add shortcut to running the site

and excluded some files from being published
Update jekyll

Old one just stopped working on my machine
Remove link to regsiter interest
Add in ticket_url

As it's long, adding a config
Update menu to use new config
Merge branch 'master' of github.com:nscamp/nscamp.github.io

Conflicts:
	_config.yml
	register.md
	where.md
Amend excludes

Files related to building don't need to be deployed
New content/compiled site