Update readme.md

clarified instructions (I hope).
changed unit1_week1 name to unit1_projects
Update readme.md

cleaned up instructions
Update readme.md

added github.io repo clarification
Update readme.md

clarified reflection location
update instructions from gist version to repo

- remove reference to gists and forking
- add instruction to include this in github.io website
Update readme.md

added submission form
Created Peer Programming html document with Andy