tic tac toe poorly written so for code review lesson
Update README.md
Update README.md
Update README.md
Merge pull request #24 from dbapat/master

tic tac toe poorly written so for code review lesson
Moved Memory Lesson into correct folder
updated links for Semester 2, Project 1
Added New Volunteer Training Presentation
Update README.md
cleanup to match with Marcus's feedback and some conventions like camelCasing (shudder) and clearer vocab around tiles, pairs, matches -- ready for group review