Added safe to sleeping areas

It was actually our university that brought up the problem that sleeping spaces introduces to students personal safety. I think it is important that you evaluate the space that all attendees are sleeping and any possible risks that it could impose.
Merge pull request #2 from tbarn/patch-1

Added safe to sleeping areas
Update inclusion_tips.md

Added code of conduct info
Merge branch 'master' of https://github.com/rubinovitz/hackathon-standards