add content from second BOF on version control

* BOF took place 2014-08-05 with notes recorded https://docs.google.com/a/ualberta.ca/document/d/1uusw6ZsYzd6Xfu_HbSvd1NJFvJ3kY73anqJHGg1KWWc/edit#heading=h.tds84kenpgiy
* re-ordered principles to maintain logical flow of information