Add zero section dir and to showoff.json. Start work on first two sections.
Initial draft of section one.
Add initial draft of section three.
Merge branch 'master' of github.com:haus/releng-preso

Conflicts:
	releng2013/showoff.json
Update showoff for section 4
Formatting on what_we_learned.md
Formatting on how_it_works.md
Tweaking sections one and two.
Never doing Ports
Jenkins grabs a beer
More formatting in how_it_works.md