Add presentation notes and slide source

modified:   slides/presentation/notes.md
modified:   slides/presentation/slides.md
Create slide set

Make small adjustments to slide source, and genrete slide set.

new file:   custom.css
modified:   slides.md
new file:   vagrant-ansible.html
Amends

Add final slide with contact details, and slides set and Github repo
urls.

modified:   slides.md
modified:   vagrant-ansible.html
Finish 1.0 - Demo files and Slide set